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Finding the Fourth Proportional to 92,967.55, 139,430.36 and 26,406.20

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Solution

The fourth proportional to 92,967.55, 139,430.36 and 26,406.20 is: 39,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.55 : 139,430.36 = 26,406.20 : x
  2. Step 2: Convert to fraction form
    92,967.55/139,430.36 = 26,406.20/x
  3. Step 3: Cross multiply
    92,967.55x = 139,430.36 × 26,406.20
  4. Step 4: Simplify right side
    92,967.55x = 3,681,826,386.82
  5. Step 5: Solve for x
    x = 3,681,826,386.82/92,967.55
  6. Step 6: Final answer
    x = 39,603.35

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1.5x scale

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.