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Finding the Fourth Proportional to 141,242.40, 211,669.20 and 93,722.40

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Solution

The fourth proportional to 141,242.40, 211,669.20 and 93,722.40 is: 140,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,242.40 : 211,669.20 = 93,722.40 : x
  2. Step 2: Convert to fraction form
    141,242.40/211,669.20 = 93,722.40/x
  3. Step 3: Cross multiply
    141,242.40x = 211,669.20 × 93,722.40
  4. Step 4: Simplify right side
    141,242.40x = 19,838,145,430.08
  5. Step 5: Solve for x
    x = 19,838,145,430.08/141,242.40
  6. Step 6: Final answer
    x = 140,454.60

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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.