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Finding the Fourth Proportional to 192,446.47, 288,673.35 and 66,085.93

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Solution

The fourth proportional to 192,446.47, 288,673.35 and 66,085.93 is: 99,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,446.47 : 288,673.35 = 66,085.93 : x
  2. Step 2: Convert to fraction form
    192,446.47/288,673.35 = 66,085.93/x
  3. Step 3: Cross multiply
    192,446.47x = 288,673.35 × 66,085.93
  4. Step 4: Simplify right side
    192,446.47x = 19,077,246,800.97
  5. Step 5: Solve for x
    x = 19,077,246,800.97/192,446.47
  6. Step 6: Final answer
    x = 99,130.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.