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Finding the Fourth Proportional to 100,904.01, 151,277.48 and 65,290.08

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Solution

The fourth proportional to 100,904.01, 151,277.48 and 65,290.08 is: 97,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,904.01 : 151,277.48 = 65,290.08 : x
  2. Step 2: Convert to fraction form
    100,904.01/151,277.48 = 65,290.08/x
  3. Step 3: Cross multiply
    100,904.01x = 151,277.48 × 65,290.08
  4. Step 4: Simplify right side
    100,904.01x = 9,876,918,444.95
  5. Step 5: Solve for x
    x = 9,876,918,444.95/100,904.01
  6. Step 6: Final answer
    x = 97,884.30

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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.