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Finding the Fourth Proportional to 92,856.96, 139,263.12 and 65,026.08

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Solution

The fourth proportional to 92,856.96, 139,263.12 and 65,026.08 is: 97,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,856.96 : 139,263.12 = 65,026.08 : x
  2. Step 2: Convert to fraction form
    92,856.96/139,263.12 = 65,026.08/x
  3. Step 3: Cross multiply
    92,856.96x = 139,263.12 × 65,026.08
  4. Step 4: Simplify right side
    92,856.96x = 9,055,734,782.17
  5. Step 5: Solve for x
    x = 9,055,734,782.17/92,856.96
  6. Step 6: Final answer
    x = 97,523.49

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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.