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Finding the Fourth Proportional to 83,187,130.70, 124,780,696.06 and 83,187,130.70

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Solution

The fourth proportional to 83,187,130.70, 124,780,696.06 and 83,187,130.70 is: 124,780,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187,130.70 : 124,780,696.06 = 83,187,130.70 : x
  2. Step 2: Convert to fraction form
    83,187,130.70/124,780,696.06 = 83,187,130.70/x
  3. Step 3: Cross multiply
    83,187,130.70x = 124,780,696.06 × 83,187,130.70
  4. Step 4: Simplify right side
    83,187,130.70x = 10,380,148,071,980,196
  5. Step 5: Solve for x
    x = 10,380,148,071,980,196/83,187,130.70
  6. Step 6: Final answer
    x = 124,780,696.06

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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.