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Finding the Fourth Proportional to 104,999.40, 157,499.10 and 60,712.65

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Solution

The fourth proportional to 104,999.40, 157,499.10 and 60,712.65 is: 91,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.40 : 157,499.10 = 60,712.65 : x
  2. Step 2: Convert to fraction form
    104,999.40/157,499.10 = 60,712.65/x
  3. Step 3: Cross multiply
    104,999.40x = 157,499.10 × 60,712.65
  4. Step 4: Simplify right side
    104,999.40x = 9,562,187,733.62
  5. Step 5: Solve for x
    x = 9,562,187,733.62/104,999.40
  6. Step 6: Final answer
    x = 91,068.98

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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.