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Finding the Fourth Proportional to 100,898,356.70, 151,108,386.60 and 100,898,356.70

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Solution

The fourth proportional to 100,898,356.70, 151,108,386.60 and 100,898,356.70 is: 151,108,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898,356.70 : 151,108,386.60 = 100,898,356.70 : x
  2. Step 2: Convert to fraction form
    100,898,356.70/151,108,386.60 = 100,898,356.70/x
  3. Step 3: Cross multiply
    100,898,356.70x = 151,108,386.60 × 100,898,356.70
  4. Step 4: Simplify right side
    100,898,356.70x = 15,246,587,891,528,300
  5. Step 5: Solve for x
    x = 15,246,587,891,528,300/100,898,356.70
  6. Step 6: Final answer
    x = 151,108,386.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.