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Finding the Fourth Proportional to 158,526.40, 237,720.40 and 59,961.28

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Solution

The fourth proportional to 158,526.40, 237,720.40 and 59,961.28 is: 89,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526.40 : 237,720.40 = 59,961.28 : x
  2. Step 2: Convert to fraction form
    158,526.40/237,720.40 = 59,961.28/x
  3. Step 3: Cross multiply
    158,526.40x = 237,720.40 × 59,961.28
  4. Step 4: Simplify right side
    158,526.40x = 14,254,019,466.11
  5. Step 5: Solve for x
    x = 14,254,019,466.11/158,526.40
  6. Step 6: Final answer
    x = 89,915.75

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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.