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Finding the Fourth Proportional to 341,871.80, 512,808.06 and 89,152.10

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Solution

The fourth proportional to 341,871.80, 512,808.06 and 89,152.10 is: 133,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,871.80 : 512,808.06 = 89,152.10 : x
  2. Step 2: Convert to fraction form
    341,871.80/512,808.06 = 89,152.10/x
  3. Step 3: Cross multiply
    341,871.80x = 512,808.06 × 89,152.10
  4. Step 4: Simplify right side
    341,871.80x = 45,717,915,445.93
  5. Step 5: Solve for x
    x = 45,717,915,445.93/341,871.80
  6. Step 6: Final answer
    x = 133,728.24

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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.