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Finding the Fourth Proportional to 153,233.90, 229,915.65 and 97,117.10

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Solution

The fourth proportional to 153,233.90, 229,915.65 and 97,117.10 is: 145,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233.90 : 229,915.65 = 97,117.10 : x
  2. Step 2: Convert to fraction form
    153,233.90/229,915.65 = 97,117.10/x
  3. Step 3: Cross multiply
    153,233.90x = 229,915.65 × 97,117.10
  4. Step 4: Simplify right side
    153,233.90x = 22,328,741,172.62
  5. Step 5: Solve for x
    x = 22,328,741,172.62/153,233.90
  6. Step 6: Final answer
    x = 145,716.72

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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.