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Finding the Fourth Proportional to 92,390.40, 127,526.40 and 58,867.20

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Solution

The fourth proportional to 92,390.40, 127,526.40 and 58,867.20 is: 81,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,390.40 : 127,526.40 = 58,867.20 : x
  2. Step 2: Convert to fraction form
    92,390.40/127,526.40 = 58,867.20/x
  3. Step 3: Cross multiply
    92,390.40x = 127,526.40 × 58,867.20
  4. Step 4: Simplify right side
    92,390.40x = 7,507,122,094.08
  5. Step 5: Solve for x
    x = 7,507,122,094.08/92,390.40
  6. Step 6: Final answer
    x = 81,254.35

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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.