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Finding the Fourth Proportional to 118,041.60, 162,897.42 and 64,326.60

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Solution

The fourth proportional to 118,041.60, 162,897.42 and 64,326.60 is: 88,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,041.60 : 162,897.42 = 64,326.60 : x
  2. Step 2: Convert to fraction form
    118,041.60/162,897.42 = 64,326.60/x
  3. Step 3: Cross multiply
    118,041.60x = 162,897.42 × 64,326.60
  4. Step 4: Simplify right side
    118,041.60x = 10,478,637,177.37
  5. Step 5: Solve for x
    x = 10,478,637,177.37/118,041.60
  6. Step 6: Final answer
    x = 88,770.71

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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.