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Finding the Fourth Proportional to 249,160.74, 373,518.90 and 91,352.40

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Solution

The fourth proportional to 249,160.74, 373,518.90 and 91,352.40 is: 136,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,160.74 : 373,518.90 = 91,352.40 : x
  2. Step 2: Convert to fraction form
    249,160.74/373,518.90 = 91,352.40/x
  3. Step 3: Cross multiply
    249,160.74x = 373,518.90 × 91,352.40
  4. Step 4: Simplify right side
    249,160.74x = 34,121,847,960.36
  5. Step 5: Solve for x
    x = 34,121,847,960.36/249,160.74
  6. Step 6: Final answer
    x = 136,947.13

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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.