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Finding the Fourth Proportional to 249,390.74, 374,202.75 and 144,298.10

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Solution

The fourth proportional to 249,390.74, 374,202.75 and 144,298.10 is: 216,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,390.74 : 374,202.75 = 144,298.10 : x
  2. Step 2: Convert to fraction form
    249,390.74/374,202.75 = 144,298.10/x
  3. Step 3: Cross multiply
    249,390.74x = 374,202.75 × 144,298.10
  4. Step 4: Simplify right side
    249,390.74x = 53,996,745,839.78
  5. Step 5: Solve for x
    x = 53,996,745,839.78/249,390.74
  6. Step 6: Final answer
    x = 216,514.64

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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.