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Finding the Fourth Proportional to 249,862.92, 344,809.72 and 135,141.64

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Solution

The fourth proportional to 249,862.92, 344,809.72 and 135,141.64 is: 186,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,862.92 : 344,809.72 = 135,141.64 : x
  2. Step 2: Convert to fraction form
    249,862.92/344,809.72 = 135,141.64/x
  3. Step 3: Cross multiply
    249,862.92x = 344,809.72 × 135,141.64
  4. Step 4: Simplify right side
    249,862.92x = 46,598,151,048.74
  5. Step 5: Solve for x
    x = 46,598,151,048.74/249,862.92
  6. Step 6: Final answer
    x = 186,494.86

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1.5x scale

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.