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Finding the Fourth Proportional to 223,237.60, 334,856.40 and 144,440.80

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Solution

The fourth proportional to 223,237.60, 334,856.40 and 144,440.80 is: 216,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,237.60 : 334,856.40 = 144,440.80 : x
  2. Step 2: Convert to fraction form
    223,237.60/334,856.40 = 144,440.80/x
  3. Step 3: Cross multiply
    223,237.60x = 334,856.40 × 144,440.80
  4. Step 4: Simplify right side
    223,237.60x = 48,366,926,301.12
  5. Step 5: Solve for x
    x = 48,366,926,301.12/223,237.60
  6. Step 6: Final answer
    x = 216,661.20

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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.