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Finding the Fourth Proportional to 96,078.40, 144,031.20 and 62,814.40

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Solution

The fourth proportional to 96,078.40, 144,031.20 and 62,814.40 is: 94,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,078.40 : 144,031.20 = 62,814.40 : x
  2. Step 2: Convert to fraction form
    96,078.40/144,031.20 = 62,814.40/x
  3. Step 3: Cross multiply
    96,078.40x = 144,031.20 × 62,814.40
  4. Step 4: Simplify right side
    96,078.40x = 9,047,233,409.28
  5. Step 5: Solve for x
    x = 9,047,233,409.28/96,078.40
  6. Step 6: Final answer
    x = 94,165.11

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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.