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Finding the Fourth Proportional to 118,549.44, 163,609.13 and 70,801.76

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Solution

The fourth proportional to 118,549.44, 163,609.13 and 70,801.76 is: 97,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,549.44 : 163,609.13 = 70,801.76 : x
  2. Step 2: Convert to fraction form
    118,549.44/163,609.13 = 70,801.76/x
  3. Step 3: Cross multiply
    118,549.44x = 163,609.13 × 70,801.76
  4. Step 4: Simplify right side
    118,549.44x = 11,583,814,356.07
  5. Step 5: Solve for x
    x = 11,583,814,356.07/118,549.44
  6. Step 6: Final answer
    x = 97,712.94

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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.