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Finding the Fourth Proportional to 118,010.61, 162,853.74 and 64,295.46

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Solution

The fourth proportional to 118,010.61, 162,853.74 and 64,295.46 is: 88,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,010.61 : 162,853.74 = 64,295.46 : x
  2. Step 2: Convert to fraction form
    118,010.61/162,853.74 = 64,295.46/x
  3. Step 3: Cross multiply
    118,010.61x = 162,853.74 × 64,295.46
  4. Step 4: Simplify right side
    118,010.61x = 10,470,756,126.02
  5. Step 5: Solve for x
    x = 10,470,756,126.02/118,010.61
  6. Step 6: Final answer
    x = 88,727.24

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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.