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Finding the Fourth Proportional to 96,081.80, 144,468.30 and 80,875.40

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Solution

The fourth proportional to 96,081.80, 144,468.30 and 80,875.40 is: 121,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,081.80 : 144,468.30 = 80,875.40 : x
  2. Step 2: Convert to fraction form
    96,081.80/144,468.30 = 80,875.40/x
  3. Step 3: Cross multiply
    96,081.80x = 144,468.30 × 80,875.40
  4. Step 4: Simplify right side
    96,081.80x = 11,683,931,549.82
  5. Step 5: Solve for x
    x = 11,683,931,549.82/96,081.80
  6. Step 6: Final answer
    x = 121,604.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.