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Finding the Fourth Proportional to 144,002.90, 216,101.55 and 93,961.10

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Solution

The fourth proportional to 144,002.90, 216,101.55 and 93,961.10 is: 141,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002.90 : 216,101.55 = 93,961.10 : x
  2. Step 2: Convert to fraction form
    144,002.90/216,101.55 = 93,961.10/x
  3. Step 3: Cross multiply
    144,002.90x = 216,101.55 × 93,961.10
  4. Step 4: Simplify right side
    144,002.90x = 20,305,139,349.71
  5. Step 5: Solve for x
    x = 20,305,139,349.71/144,002.90
  6. Step 6: Final answer
    x = 141,005.07

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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.