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Finding the Fourth Proportional to 153,217.76, 229,779.90 and 123,160.70

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Solution

The fourth proportional to 153,217.76, 229,779.90 and 123,160.70 is: 184,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,217.76 : 229,779.90 = 123,160.70 : x
  2. Step 2: Convert to fraction form
    153,217.76/229,779.90 = 123,160.70/x
  3. Step 3: Cross multiply
    153,217.76x = 229,779.90 × 123,160.70
  4. Step 4: Simplify right side
    153,217.76x = 28,299,853,329.93
  5. Step 5: Solve for x
    x = 28,299,853,329.93/153,217.76
  6. Step 6: Final answer
    x = 184,703.48

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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.