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Finding the Fourth Proportional to 181,647.04, 272,470.71 and 86,854.92

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Solution

The fourth proportional to 181,647.04, 272,470.71 and 86,854.92 is: 130,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,647.04 : 272,470.71 = 86,854.92 : x
  2. Step 2: Convert to fraction form
    181,647.04/272,470.71 = 86,854.92/x
  3. Step 3: Cross multiply
    181,647.04x = 272,470.71 × 86,854.92
  4. Step 4: Simplify right side
    181,647.04x = 23,665,421,719.39
  5. Step 5: Solve for x
    x = 23,665,421,719.39/181,647.04
  6. Step 6: Final answer
    x = 130,282.45

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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.