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Finding the Fourth Proportional to 88,365.63, 121,904.28 and 52,535.28

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Solution

The fourth proportional to 88,365.63, 121,904.28 and 52,535.28 is: 72,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.63 : 121,904.28 = 52,535.28 : x
  2. Step 2: Convert to fraction form
    88,365.63/121,904.28 = 52,535.28/x
  3. Step 3: Cross multiply
    88,365.63x = 121,904.28 × 52,535.28
  4. Step 4: Simplify right side
    88,365.63x = 6,404,275,483.00
  5. Step 5: Solve for x
    x = 6,404,275,483.00/88,365.63
  6. Step 6: Final answer
    x = 72,474.73

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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.