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Finding the Fourth Proportional to 105,045.70, 157,589.02 and 33,985.92

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Solution

The fourth proportional to 105,045.70, 157,589.02 and 33,985.92 is: 50,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,045.70 : 157,589.02 = 33,985.92 : x
  2. Step 2: Convert to fraction form
    105,045.70/157,589.02 = 33,985.92/x
  3. Step 3: Cross multiply
    105,045.70x = 157,589.02 × 33,985.92
  4. Step 4: Simplify right side
    105,045.70x = 5,355,807,826.60
  5. Step 5: Solve for x
    x = 5,355,807,826.60/105,045.70
  6. Step 6: Final answer
    x = 50,985.50

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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.