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Finding the Fourth Proportional to 88,309.92, 121,846.35 and 56,032.77

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Solution

The fourth proportional to 88,309.92, 121,846.35 and 56,032.77 is: 77,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.92 : 121,846.35 = 56,032.77 : x
  2. Step 2: Convert to fraction form
    88,309.92/121,846.35 = 56,032.77/x
  3. Step 3: Cross multiply
    88,309.92x = 121,846.35 × 56,032.77
  4. Step 4: Simplify right side
    88,309.92x = 6,827,387,895.66
  5. Step 5: Solve for x
    x = 6,827,387,895.66/88,309.92
  6. Step 6: Final answer
    x = 77,311.68

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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.