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Finding the Fourth Proportional to 58,937.60, 88,276.80 and 31,203.20

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Solution

The fourth proportional to 58,937.60, 88,276.80 and 31,203.20 is: 46,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.60 : 88,276.80 = 31,203.20 : x
  2. Step 2: Convert to fraction form
    58,937.60/88,276.80 = 31,203.20/x
  3. Step 3: Cross multiply
    58,937.60x = 88,276.80 × 31,203.20
  4. Step 4: Simplify right side
    58,937.60x = 2,754,518,645.76
  5. Step 5: Solve for x
    x = 2,754,518,645.76/58,937.60
  6. Step 6: Final answer
    x = 46,736.19

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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.