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Finding the Fourth Proportional to 249,754.80, 374,632.20 and 91,950.60

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Solution

The fourth proportional to 249,754.80, 374,632.20 and 91,950.60 is: 137,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,754.80 : 374,632.20 = 91,950.60 : x
  2. Step 2: Convert to fraction form
    249,754.80/374,632.20 = 91,950.60/x
  3. Step 3: Cross multiply
    249,754.80x = 374,632.20 × 91,950.60
  4. Step 4: Simplify right side
    249,754.80x = 34,447,655,569.32
  5. Step 5: Solve for x
    x = 34,447,655,569.32/249,754.80
  6. Step 6: Final answer
    x = 137,925.90

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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.