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Finding the Fourth Proportional to 177,594, 245,079.72 and 98,106

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Solution

The fourth proportional to 177,594, 245,079.72 and 98,106 is: 135,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,594 : 245,079.72 = 98,106 : x
  2. Step 2: Convert to fraction form
    177,594/245,079.72 = 98,106/x
  3. Step 3: Cross multiply
    177,594x = 245,079.72 × 98,106
  4. Step 4: Simplify right side
    177,594x = 24,043,791,010.32
  5. Step 5: Solve for x
    x = 24,043,791,010.32/177,594
  6. Step 6: Final answer
    x = 135,386.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.