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Finding the Fourth Proportional to 118,101.60, 165,808.80 and 118,101.60

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Solution

The fourth proportional to 118,101.60, 165,808.80 and 118,101.60 is: 165,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101.60 : 165,808.80 = 118,101.60 : x
  2. Step 2: Convert to fraction form
    118,101.60/165,808.80 = 118,101.60/x
  3. Step 3: Cross multiply
    118,101.60x = 165,808.80 × 118,101.60
  4. Step 4: Simplify right side
    118,101.60x = 19,582,284,574.08
  5. Step 5: Solve for x
    x = 19,582,284,574.08/118,101.60
  6. Step 6: Final answer
    x = 165,808.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.