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Finding the Fourth Proportional to 148,762.64, 205,223.73 and 88,298.96

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Solution

The fourth proportional to 148,762.64, 205,223.73 and 88,298.96 is: 121,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,762.64 : 205,223.73 = 88,298.96 : x
  2. Step 2: Convert to fraction form
    148,762.64/205,223.73 = 88,298.96/x
  3. Step 3: Cross multiply
    148,762.64x = 205,223.73 × 88,298.96
  4. Step 4: Simplify right side
    148,762.64x = 18,121,041,926.32
  5. Step 5: Solve for x
    x = 18,121,041,926.32/148,762.64
  6. Step 6: Final answer
    x = 121,811.78

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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.