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Finding the Fourth Proportional to 252,492.68, 348,566.15 and 157,030.13

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Solution

The fourth proportional to 252,492.68, 348,566.15 and 157,030.13 is: 216,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,492.68 : 348,566.15 = 157,030.13 : x
  2. Step 2: Convert to fraction form
    252,492.68/348,566.15 = 157,030.13/x
  3. Step 3: Cross multiply
    252,492.68x = 348,566.15 × 157,030.13
  4. Step 4: Simplify right side
    252,492.68x = 54,735,387,848.10
  5. Step 5: Solve for x
    x = 54,735,387,848.10/252,492.68
  6. Step 6: Final answer
    x = 216,780.10

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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.