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Finding the Fourth Proportional to 88,797.90, 122,543.52 and 53,008.70

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Solution

The fourth proportional to 88,797.90, 122,543.52 and 53,008.70 is: 73,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,797.90 : 122,543.52 = 53,008.70 : x
  2. Step 2: Convert to fraction form
    88,797.90/122,543.52 = 53,008.70/x
  3. Step 3: Cross multiply
    88,797.90x = 122,543.52 × 53,008.70
  4. Step 4: Simplify right side
    88,797.90x = 6,495,871,877.12
  5. Step 5: Solve for x
    x = 6,495,871,877.12/88,797.90
  6. Step 6: Final answer
    x = 73,153.44

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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.