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Finding the Fourth Proportional to 92,068.56, 127,058.40 and 51,784.20

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Solution

The fourth proportional to 92,068.56, 127,058.40 and 51,784.20 is: 71,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,068.56 : 127,058.40 = 51,784.20 : x
  2. Step 2: Convert to fraction form
    92,068.56/127,058.40 = 51,784.20/x
  3. Step 3: Cross multiply
    92,068.56x = 127,058.40 × 51,784.20
  4. Step 4: Simplify right side
    92,068.56x = 6,579,617,597.28
  5. Step 5: Solve for x
    x = 6,579,617,597.28/92,068.56
  6. Step 6: Final answer
    x = 71,464.33

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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.