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Finding the Fourth Proportional to 119,999.67, 180,108.45 and 63,886.65

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Solution

The fourth proportional to 119,999.67, 180,108.45 and 63,886.65 is: 95,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,999.67 : 180,108.45 = 63,886.65 : x
  2. Step 2: Convert to fraction form
    119,999.67/180,108.45 = 63,886.65/x
  3. Step 3: Cross multiply
    119,999.67x = 180,108.45 × 63,886.65
  4. Step 4: Simplify right side
    119,999.67x = 11,506,525,507.19
  5. Step 5: Solve for x
    x = 11,506,525,507.19/119,999.67
  6. Step 6: Final answer
    x = 95,887.98

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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.