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Finding the Fourth Proportional to 249,969.24, 375,008.94 and 72,483.66

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Solution

The fourth proportional to 249,969.24, 375,008.94 and 72,483.66 is: 108,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969.24 : 375,008.94 = 72,483.66 : x
  2. Step 2: Convert to fraction form
    249,969.24/375,008.94 = 72,483.66/x
  3. Step 3: Cross multiply
    249,969.24x = 375,008.94 × 72,483.66
  4. Step 4: Simplify right side
    249,969.24x = 27,182,020,503.92
  5. Step 5: Solve for x
    x = 27,182,020,503.92/249,969.24
  6. Step 6: Final answer
    x = 108,741.46

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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.