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Finding the Fourth Proportional to 249,312.52, 374,104.86 and 144,336.52

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Solution

The fourth proportional to 249,312.52, 374,104.86 and 144,336.52 is: 216,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,312.52 : 374,104.86 = 144,336.52 : x
  2. Step 2: Convert to fraction form
    249,312.52/374,104.86 = 144,336.52/x
  3. Step 3: Cross multiply
    249,312.52x = 374,104.86 × 144,336.52
  4. Step 4: Simplify right side
    249,312.52x = 53,996,993,607.49
  5. Step 5: Solve for x
    x = 53,996,993,607.49/249,312.52
  6. Step 6: Final answer
    x = 216,583.56

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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.