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Finding the Fourth Proportional to 249,364.16, 344,122.94 and 141,934.20

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Solution

The fourth proportional to 249,364.16, 344,122.94 and 141,934.20 is: 195,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,364.16 : 344,122.94 = 141,934.20 : x
  2. Step 2: Convert to fraction form
    249,364.16/344,122.94 = 141,934.20/x
  3. Step 3: Cross multiply
    249,364.16x = 344,122.94 × 141,934.20
  4. Step 4: Simplify right side
    249,364.16x = 48,842,813,480.88
  5. Step 5: Solve for x
    x = 48,842,813,480.88/249,364.16
  6. Step 6: Final answer
    x = 195,869.42

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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.