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Finding the Fourth Proportional to 223,395.90, 334,510.65 and 144,080.70

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Solution

The fourth proportional to 223,395.90, 334,510.65 and 144,080.70 is: 215,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,395.90 : 334,510.65 = 144,080.70 : x
  2. Step 2: Convert to fraction form
    223,395.90/334,510.65 = 144,080.70/x
  3. Step 3: Cross multiply
    223,395.90x = 334,510.65 × 144,080.70
  4. Step 4: Simplify right side
    223,395.90x = 48,196,528,609.46
  5. Step 5: Solve for x
    x = 48,196,528,609.46/223,395.90
  6. Step 6: Final answer
    x = 215,744.91

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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.