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Finding the Fourth Proportional to 174,008.55, 260,995.95 and 55,648.11

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Solution

The fourth proportional to 174,008.55, 260,995.95 and 55,648.11 is: 83,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,008.55 : 260,995.95 = 55,648.11 : x
  2. Step 2: Convert to fraction form
    174,008.55/260,995.95 = 55,648.11/x
  3. Step 3: Cross multiply
    174,008.55x = 260,995.95 × 55,648.11
  4. Step 4: Simplify right side
    174,008.55x = 14,523,931,335.15
  5. Step 5: Solve for x
    x = 14,523,931,335.15/174,008.55
  6. Step 6: Final answer
    x = 83,466.77

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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.