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Finding the Fourth Proportional to 73,502.32, 101,430.21 and 43,288.90

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Solution

The fourth proportional to 73,502.32, 101,430.21 and 43,288.90 is: 59,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.32 : 101,430.21 = 43,288.90 : x
  2. Step 2: Convert to fraction form
    73,502.32/101,430.21 = 43,288.90/x
  3. Step 3: Cross multiply
    73,502.32x = 101,430.21 × 43,288.90
  4. Step 4: Simplify right side
    73,502.32x = 4,390,802,217.67
  5. Step 5: Solve for x
    x = 4,390,802,217.67/73,502.32
  6. Step 6: Final answer
    x = 59,736.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.