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Finding the Fourth Proportional to 127,562.40, 176,060.48 and 84,465.92

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Solution

The fourth proportional to 127,562.40, 176,060.48 and 84,465.92 is: 116,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,562.40 : 176,060.48 = 84,465.92 : x
  2. Step 2: Convert to fraction form
    127,562.40/176,060.48 = 84,465.92/x
  3. Step 3: Cross multiply
    127,562.40x = 176,060.48 × 84,465.92
  4. Step 4: Simplify right side
    127,562.40x = 14,871,110,418.84
  5. Step 5: Solve for x
    x = 14,871,110,418.84/127,562.40
  6. Step 6: Final answer
    x = 116,579.10

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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.