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Finding the Fourth Proportional to 109,968.60, 148,574.25 and 109,968.60

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Solution

The fourth proportional to 109,968.60, 148,574.25 and 109,968.60 is: 148,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.60 : 148,574.25 = 109,968.60 : x
  2. Step 2: Convert to fraction form
    109,968.60/148,574.25 = 109,968.60/x
  3. Step 3: Cross multiply
    109,968.60x = 148,574.25 × 109,968.60
  4. Step 4: Simplify right side
    109,968.60x = 16,338,502,268.55
  5. Step 5: Solve for x
    x = 16,338,502,268.55/109,968.60
  6. Step 6: Final answer
    x = 148,574.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.