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Finding the Fourth Proportional to 173,840.30, 260,760.45 and 132,368.30

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Solution

The fourth proportional to 173,840.30, 260,760.45 and 132,368.30 is: 198,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.30 : 260,760.45 = 132,368.30 : x
  2. Step 2: Convert to fraction form
    173,840.30/260,760.45 = 132,368.30/x
  3. Step 3: Cross multiply
    173,840.30x = 260,760.45 × 132,368.30
  4. Step 4: Simplify right side
    173,840.30x = 34,516,417,473.74
  5. Step 5: Solve for x
    x = 34,516,417,473.74/173,840.30
  6. Step 6: Final answer
    x = 198,552.45

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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.