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Finding the Fourth Proportional to 161,038.68, 241,430.92 and 101,749.40

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Solution

The fourth proportional to 161,038.68, 241,430.92 and 101,749.40 is: 152,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,038.68 : 241,430.92 = 101,749.40 : x
  2. Step 2: Convert to fraction form
    161,038.68/241,430.92 = 101,749.40/x
  3. Step 3: Cross multiply
    161,038.68x = 241,430.92 × 101,749.40
  4. Step 4: Simplify right side
    161,038.68x = 24,565,451,251.45
  5. Step 5: Solve for x
    x = 24,565,451,251.45/161,038.68
  6. Step 6: Final answer
    x = 152,543.79

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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.