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Finding the Fourth Proportional to 88,655.70, 122,328.12 and 52,849.06

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Solution

The fourth proportional to 88,655.70, 122,328.12 and 52,849.06 is: 72,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.70 : 122,328.12 = 52,849.06 : x
  2. Step 2: Convert to fraction form
    88,655.70/122,328.12 = 52,849.06/x
  3. Step 3: Cross multiply
    88,655.70x = 122,328.12 × 52,849.06
  4. Step 4: Simplify right side
    88,655.70x = 6,464,926,153.57
  5. Step 5: Solve for x
    x = 6,464,926,153.57/88,655.70
  6. Step 6: Final answer
    x = 72,921.72

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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.