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Finding the Fourth Proportional to 79,463.04, 109,659.42 and 43,652.16

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Solution

The fourth proportional to 79,463.04, 109,659.42 and 43,652.16 is: 60,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,463.04 : 109,659.42 = 43,652.16 : x
  2. Step 2: Convert to fraction form
    79,463.04/109,659.42 = 43,652.16/x
  3. Step 3: Cross multiply
    79,463.04x = 109,659.42 × 43,652.16
  4. Step 4: Simplify right side
    79,463.04x = 4,786,870,547.35
  5. Step 5: Solve for x
    x = 4,786,870,547.35/79,463.04
  6. Step 6: Final answer
    x = 60,240.21

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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.