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Finding the Fourth Proportional to 118,101.60, 177,166.80 and 43,210.08

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Solution

The fourth proportional to 118,101.60, 177,166.80 and 43,210.08 is: 64,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101.60 : 177,166.80 = 43,210.08 : x
  2. Step 2: Convert to fraction form
    118,101.60/177,166.80 = 43,210.08/x
  3. Step 3: Cross multiply
    118,101.60x = 177,166.80 × 43,210.08
  4. Step 4: Simplify right side
    118,101.60x = 7,655,391,601.34
  5. Step 5: Solve for x
    x = 7,655,391,601.34/118,101.60
  6. Step 6: Final answer
    x = 64,820.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.