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Finding the Fourth Proportional to 84,017.63, 126,026.45 and 69,167.00

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Solution

The fourth proportional to 84,017.63, 126,026.45 and 69,167.00 is: 103,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.63 : 126,026.45 = 69,167.00 : x
  2. Step 2: Convert to fraction form
    84,017.63/126,026.45 = 69,167.00/x
  3. Step 3: Cross multiply
    84,017.63x = 126,026.45 × 69,167.00
  4. Step 4: Simplify right side
    84,017.63x = 8,716,871,009.94
  5. Step 5: Solve for x
    x = 8,716,871,009.94/84,017.63
  6. Step 6: Final answer
    x = 103,750.50

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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.