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Finding the Fourth Proportional to 173,807.40, 260,711.10 and 55,487.40

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Solution

The fourth proportional to 173,807.40, 260,711.10 and 55,487.40 is: 83,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,807.40 : 260,711.10 = 55,487.40 : x
  2. Step 2: Convert to fraction form
    173,807.40/260,711.10 = 55,487.40/x
  3. Step 3: Cross multiply
    173,807.40x = 260,711.10 × 55,487.40
  4. Step 4: Simplify right side
    173,807.40x = 14,466,181,090.14
  5. Step 5: Solve for x
    x = 14,466,181,090.14/173,807.40
  6. Step 6: Final answer
    x = 83,231.10

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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.