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Finding the Fourth Proportional to 249,091.52, 343,790.88 and 148,496

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Solution

The fourth proportional to 249,091.52, 343,790.88 and 148,496 is: 204,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,091.52 : 343,790.88 = 148,496 : x
  2. Step 2: Convert to fraction form
    249,091.52/343,790.88 = 148,496/x
  3. Step 3: Cross multiply
    249,091.52x = 343,790.88 × 148,496
  4. Step 4: Simplify right side
    249,091.52x = 51,051,570,516.48
  5. Step 5: Solve for x
    x = 51,051,570,516.48/249,091.52
  6. Step 6: Final answer
    x = 204,951.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.