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Finding the Fourth Proportional to 249,134.70, 373,592.70 and 99,325.20

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Solution

The fourth proportional to 249,134.70, 373,592.70 and 99,325.20 is: 148,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,134.70 : 373,592.70 = 99,325.20 : x
  2. Step 2: Convert to fraction form
    249,134.70/373,592.70 = 99,325.20/x
  3. Step 3: Cross multiply
    249,134.70x = 373,592.70 × 99,325.20
  4. Step 4: Simplify right side
    249,134.70x = 37,107,169,646.04
  5. Step 5: Solve for x
    x = 37,107,169,646.04/249,134.70
  6. Step 6: Final answer
    x = 148,944.20

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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.