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Finding the Fourth Proportional to 127,477.86, 175,920.58 and 69,335.11

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Solution

The fourth proportional to 127,477.86, 175,920.58 and 69,335.11 is: 95,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,477.86 : 175,920.58 = 69,335.11 : x
  2. Step 2: Convert to fraction form
    127,477.86/175,920.58 = 69,335.11/x
  3. Step 3: Cross multiply
    127,477.86x = 175,920.58 × 69,335.11
  4. Step 4: Simplify right side
    127,477.86x = 12,197,472,765.56
  5. Step 5: Solve for x
    x = 12,197,472,765.56/127,477.86
  6. Step 6: Final answer
    x = 95,683.07

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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.