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Finding the Fourth Proportional to 88,616.16, 122,259.42 and 56,802.60

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Solution

The fourth proportional to 88,616.16, 122,259.42 and 56,802.60 is: 78,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.16 : 122,259.42 = 56,802.60 : x
  2. Step 2: Convert to fraction form
    88,616.16/122,259.42 = 56,802.60/x
  3. Step 3: Cross multiply
    88,616.16x = 122,259.42 × 56,802.60
  4. Step 4: Simplify right side
    88,616.16x = 6,944,652,930.49
  5. Step 5: Solve for x
    x = 6,944,652,930.49/88,616.16
  6. Step 6: Final answer
    x = 78,367.79

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1.5x scale

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.