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Finding the Fourth Proportional to 60,165.99, 90,257.90 and 56,475.63

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Solution

The fourth proportional to 60,165.99, 90,257.90 and 56,475.63 is: 84,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,165.99 : 90,257.90 = 56,475.63 : x
  2. Step 2: Convert to fraction form
    60,165.99/90,257.90 = 56,475.63/x
  3. Step 3: Cross multiply
    60,165.99x = 90,257.90 × 56,475.63
  4. Step 4: Simplify right side
    60,165.99x = 5,097,371,482.60
  5. Step 5: Solve for x
    x = 5,097,371,482.60/60,165.99
  6. Step 6: Final answer
    x = 84,721.81

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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.