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Finding the Fourth Proportional to 92,155.46, 127,109.03 and 61,513.11

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Solution

The fourth proportional to 92,155.46, 127,109.03 and 61,513.11 is: 84,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,155.46 : 127,109.03 = 61,513.11 : x
  2. Step 2: Convert to fraction form
    92,155.46/127,109.03 = 61,513.11/x
  3. Step 3: Cross multiply
    92,155.46x = 127,109.03 × 61,513.11
  4. Step 4: Simplify right side
    92,155.46x = 7,818,871,331.77
  5. Step 5: Solve for x
    x = 7,818,871,331.77/92,155.46
  6. Step 6: Final answer
    x = 84,844.36

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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.