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Finding the Fourth Proportional to 153,397.72, 230,151.95 and 53,572.64

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Solution

The fourth proportional to 153,397.72, 230,151.95 and 53,572.64 is: 80,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,397.72 : 230,151.95 = 53,572.64 : x
  2. Step 2: Convert to fraction form
    153,397.72/230,151.95 = 53,572.64/x
  3. Step 3: Cross multiply
    153,397.72x = 230,151.95 × 53,572.64
  4. Step 4: Simplify right side
    153,397.72x = 12,329,847,562.65
  5. Step 5: Solve for x
    x = 12,329,847,562.65/153,397.72
  6. Step 6: Final answer
    x = 80,378.30

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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.