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Finding the Fourth Proportional to 249,515.86, 374,422.02 and 91,855.04

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Solution

The fourth proportional to 249,515.86, 374,422.02 and 91,855.04 is: 137,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,515.86 : 374,422.02 = 91,855.04 : x
  2. Step 2: Convert to fraction form
    249,515.86/374,422.02 = 91,855.04/x
  3. Step 3: Cross multiply
    249,515.86x = 374,422.02 × 91,855.04
  4. Step 4: Simplify right side
    249,515.86x = 34,392,549,623.98
  5. Step 5: Solve for x
    x = 34,392,549,623.98/249,515.86
  6. Step 6: Final answer
    x = 137,837.13

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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.