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Finding the Fourth Proportional to 92,801.40, 139,266.90 and 40,248.60

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Solution

The fourth proportional to 92,801.40, 139,266.90 and 40,248.60 is: 60,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,801.40 : 139,266.90 = 40,248.60 : x
  2. Step 2: Convert to fraction form
    92,801.40/139,266.90 = 40,248.60/x
  3. Step 3: Cross multiply
    92,801.40x = 139,266.90 × 40,248.60
  4. Step 4: Simplify right side
    92,801.40x = 5,605,297,751.34
  5. Step 5: Solve for x
    x = 5,605,297,751.34/92,801.40
  6. Step 6: Final answer
    x = 60,401.00

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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.