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Finding the Fourth Proportional to 249,230, 343,934.28 and 141,799.76

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Solution

The fourth proportional to 249,230, 343,934.28 and 141,799.76 is: 195,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,230 : 343,934.28 = 141,799.76 : x
  2. Step 2: Convert to fraction form
    249,230/343,934.28 = 141,799.76/x
  3. Step 3: Cross multiply
    249,230x = 343,934.28 × 141,799.76
  4. Step 4: Simplify right side
    249,230x = 48,769,798,359.77
  5. Step 5: Solve for x
    x = 48,769,798,359.77/249,230
  6. Step 6: Final answer
    x = 195,681.89

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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.