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Finding the Fourth Proportional to 118,048.71, 162,888.60 and 66,355.62

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Solution

The fourth proportional to 118,048.71, 162,888.60 and 66,355.62 is: 91,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.71 : 162,888.60 = 66,355.62 : x
  2. Step 2: Convert to fraction form
    118,048.71/162,888.60 = 66,355.62/x
  3. Step 3: Cross multiply
    118,048.71x = 162,888.60 × 66,355.62
  4. Step 4: Simplify right side
    118,048.71x = 10,808,574,043.93
  5. Step 5: Solve for x
    x = 10,808,574,043.93/118,048.71
  6. Step 6: Final answer
    x = 91,560.29

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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.