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Finding the Fourth Proportional to 92,210.52, 127,259.64 and 53,967.79

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Solution

The fourth proportional to 92,210.52, 127,259.64 and 53,967.79 is: 74,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,210.52 : 127,259.64 = 53,967.79 : x
  2. Step 2: Convert to fraction form
    92,210.52/127,259.64 = 53,967.79/x
  3. Step 3: Cross multiply
    92,210.52x = 127,259.64 × 53,967.79
  4. Step 4: Simplify right side
    92,210.52x = 6,867,920,970.23
  5. Step 5: Solve for x
    x = 6,867,920,970.23/92,210.52
  6. Step 6: Final answer
    x = 74,480.88

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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.