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Finding the Fourth Proportional to 157,246.29, 235,492.11 and 138,334.14

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Solution

The fourth proportional to 157,246.29, 235,492.11 and 138,334.14 is: 207,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,246.29 : 235,492.11 = 138,334.14 : x
  2. Step 2: Convert to fraction form
    157,246.29/235,492.11 = 138,334.14/x
  3. Step 3: Cross multiply
    157,246.29x = 235,492.11 × 138,334.14
  4. Step 4: Simplify right side
    157,246.29x = 32,576,598,513.64
  5. Step 5: Solve for x
    x = 32,576,598,513.64/157,246.29
  6. Step 6: Final answer
    x = 207,169.27

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1.5x scale

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.