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Finding the Fourth Proportional to 155,614.92, 233,338.83 and 48,978.91

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Solution

The fourth proportional to 155,614.92, 233,338.83 and 48,978.91 is: 73,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,614.92 : 233,338.83 = 48,978.91 : x
  2. Step 2: Convert to fraction form
    155,614.92/233,338.83 = 48,978.91/x
  3. Step 3: Cross multiply
    155,614.92x = 233,338.83 × 48,978.91
  4. Step 4: Simplify right side
    155,614.92x = 11,428,681,554.08
  5. Step 5: Solve for x
    x = 11,428,681,554.08/155,614.92
  6. Step 6: Final answer
    x = 73,442.07

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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.