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Finding the Fourth Proportional to 155,339.16, 232,904.93 and 125,390.24

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Solution

The fourth proportional to 155,339.16, 232,904.93 and 125,390.24 is: 188,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,339.16 : 232,904.93 = 125,390.24 : x
  2. Step 2: Convert to fraction form
    155,339.16/232,904.93 = 125,390.24/x
  3. Step 3: Cross multiply
    155,339.16x = 232,904.93 × 125,390.24
  4. Step 4: Simplify right side
    155,339.16x = 29,204,005,069.88
  5. Step 5: Solve for x
    x = 29,204,005,069.88/155,339.16
  6. Step 6: Final answer
    x = 188,001.56

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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.