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Finding the Fourth Proportional to 59,143.60, 88,740.60 and 31,085.20

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Solution

The fourth proportional to 59,143.60, 88,740.60 and 31,085.20 is: 46,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,143.60 : 88,740.60 = 31,085.20 : x
  2. Step 2: Convert to fraction form
    59,143.60/88,740.60 = 31,085.20/x
  3. Step 3: Cross multiply
    59,143.60x = 88,740.60 × 31,085.20
  4. Step 4: Simplify right side
    59,143.60x = 2,758,519,299.12
  5. Step 5: Solve for x
    x = 2,758,519,299.12/59,143.60
  6. Step 6: Final answer
    x = 46,641.04

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1.5x scale

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.