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Finding the Fourth Proportional to 249,069.84, 343,789.56 and 141,699.84

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Solution

The fourth proportional to 249,069.84, 343,789.56 and 141,699.84 is: 195,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,069.84 : 343,789.56 = 141,699.84 : x
  2. Step 2: Convert to fraction form
    249,069.84/343,789.56 = 141,699.84/x
  3. Step 3: Cross multiply
    249,069.84x = 343,789.56 × 141,699.84
  4. Step 4: Simplify right side
    249,069.84x = 48,714,925,645.67
  5. Step 5: Solve for x
    x = 48,714,925,645.67/249,069.84
  6. Step 6: Final answer
    x = 195,587.41

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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.