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Finding the Fourth Proportional to 117,652.48, 162,357.66 and 65,966.13

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Solution

The fourth proportional to 117,652.48, 162,357.66 and 65,966.13 is: 91,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652.48 : 162,357.66 = 65,966.13 : x
  2. Step 2: Convert to fraction form
    117,652.48/162,357.66 = 65,966.13/x
  3. Step 3: Cross multiply
    117,652.48x = 162,357.66 × 65,966.13
  4. Step 4: Simplify right side
    117,652.48x = 10,710,106,506.06
  5. Step 5: Solve for x
    x = 10,710,106,506.06/117,652.48
  6. Step 6: Final answer
    x = 91,031.71

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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.