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Finding the Fourth Proportional to 240,482.16, 360,719.58 and 82,711.98

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Solution

The fourth proportional to 240,482.16, 360,719.58 and 82,711.98 is: 124,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,482.16 : 360,719.58 = 82,711.98 : x
  2. Step 2: Convert to fraction form
    240,482.16/360,719.58 = 82,711.98/x
  3. Step 3: Cross multiply
    240,482.16x = 360,719.58 × 82,711.98
  4. Step 4: Simplify right side
    240,482.16x = 29,835,830,686.57
  5. Step 5: Solve for x
    x = 29,835,830,686.57/240,482.16
  6. Step 6: Final answer
    x = 124,066.71

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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.