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Finding the Fourth Proportional to 73,971.88, 101,866.18 and 64,277.26

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Solution

The fourth proportional to 73,971.88, 101,866.18 and 64,277.26 is: 88,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,971.88 : 101,866.18 = 64,277.26 : x
  2. Step 2: Convert to fraction form
    73,971.88/101,866.18 = 64,277.26/x
  3. Step 3: Cross multiply
    73,971.88x = 101,866.18 × 64,277.26
  4. Step 4: Simplify right side
    73,971.88x = 6,547,678,937.07
  5. Step 5: Solve for x
    x = 6,547,678,937.07/73,971.88
  6. Step 6: Final answer
    x = 88,515.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.