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Finding the Fourth Proportional to 66,655.14, 99,394.82 and 66,055.07

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Solution

The fourth proportional to 66,655.14, 99,394.82 and 66,055.07 is: 98,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,655.14 : 99,394.82 = 66,055.07 : x
  2. Step 2: Convert to fraction form
    66,655.14/99,394.82 = 66,055.07/x
  3. Step 3: Cross multiply
    66,655.14x = 99,394.82 × 66,055.07
  4. Step 4: Simplify right side
    66,655.14x = 6,565,530,965.49
  5. Step 5: Solve for x
    x = 6,565,530,965.49/66,655.14
  6. Step 6: Final answer
    x = 98,500.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.