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Finding the Fourth Proportional to 60,362.40, 90,601.20 and 51,607.20

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Solution

The fourth proportional to 60,362.40, 90,601.20 and 51,607.20 is: 77,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,362.40 : 90,601.20 = 51,607.20 : x
  2. Step 2: Convert to fraction form
    60,362.40/90,601.20 = 51,607.20/x
  3. Step 3: Cross multiply
    60,362.40x = 90,601.20 × 51,607.20
  4. Step 4: Simplify right side
    60,362.40x = 4,675,674,248.64
  5. Step 5: Solve for x
    x = 4,675,674,248.64/60,362.40
  6. Step 6: Final answer
    x = 77,460.05

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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.