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Finding the Fourth Proportional to 103,753.40, 155,271.70 and 62,230.20

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Solution

The fourth proportional to 103,753.40, 155,271.70 and 62,230.20 is: 93,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,753.40 : 155,271.70 = 62,230.20 : x
  2. Step 2: Convert to fraction form
    103,753.40/155,271.70 = 62,230.20/x
  3. Step 3: Cross multiply
    103,753.40x = 155,271.70 × 62,230.20
  4. Step 4: Simplify right side
    103,753.40x = 9,662,588,945.34
  5. Step 5: Solve for x
    x = 9,662,588,945.34/103,753.40
  6. Step 6: Final answer
    x = 93,130.34

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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.