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Finding the Fourth Proportional to 239,073.72, 358,526.91 and 70,549.32

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Solution

The fourth proportional to 239,073.72, 358,526.91 and 70,549.32 is: 105,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,073.72 : 358,526.91 = 70,549.32 : x
  2. Step 2: Convert to fraction form
    239,073.72/358,526.91 = 70,549.32/x
  3. Step 3: Cross multiply
    239,073.72x = 358,526.91 × 70,549.32
  4. Step 4: Simplify right side
    239,073.72x = 25,293,829,702.20
  5. Step 5: Solve for x
    x = 25,293,829,702.20/239,073.72
  6. Step 6: Final answer
    x = 105,799.29

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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.