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Finding the Fourth Proportional to 158,386.60, 237,752.70 and 88,402.60

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Solution

The fourth proportional to 158,386.60, 237,752.70 and 88,402.60 is: 132,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,386.60 : 237,752.70 = 88,402.60 : x
  2. Step 2: Convert to fraction form
    158,386.60/237,752.70 = 88,402.60/x
  3. Step 3: Cross multiply
    158,386.60x = 237,752.70 × 88,402.60
  4. Step 4: Simplify right side
    158,386.60x = 21,017,956,837.02
  5. Step 5: Solve for x
    x = 21,017,956,837.02/158,386.60
  6. Step 6: Final answer
    x = 132,700.35

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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.