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Finding the Fourth Proportional to 117,846.92, 162,627.06 and 64,854.92

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Solution

The fourth proportional to 117,846.92, 162,627.06 and 64,854.92 is: 89,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,846.92 : 162,627.06 = 64,854.92 : x
  2. Step 2: Convert to fraction form
    117,846.92/162,627.06 = 64,854.92/x
  3. Step 3: Cross multiply
    117,846.92x = 162,627.06 × 64,854.92
  4. Step 4: Simplify right side
    117,846.92x = 10,547,164,966.14
  5. Step 5: Solve for x
    x = 10,547,164,966.14/117,846.92
  6. Step 6: Final answer
    x = 89,498.86

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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.