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Finding the Fourth Proportional to 153,402.70, 230,119.76 and 58,712.52

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Solution

The fourth proportional to 153,402.70, 230,119.76 and 58,712.52 is: 88,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,402.70 : 230,119.76 = 58,712.52 : x
  2. Step 2: Convert to fraction form
    153,402.70/230,119.76 = 58,712.52/x
  3. Step 3: Cross multiply
    153,402.70x = 230,119.76 × 58,712.52
  4. Step 4: Simplify right side
    153,402.70x = 13,510,911,011.40
  5. Step 5: Solve for x
    x = 13,510,911,011.40/153,402.70
  6. Step 6: Final answer
    x = 88,074.79

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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.