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Finding the Fourth Proportional to 180,036.93, 248,455.98 and 99,469.65

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Solution

The fourth proportional to 180,036.93, 248,455.98 and 99,469.65 is: 137,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036.93 : 248,455.98 = 99,469.65 : x
  2. Step 2: Convert to fraction form
    180,036.93/248,455.98 = 99,469.65/x
  3. Step 3: Cross multiply
    180,036.93x = 248,455.98 × 99,469.65
  4. Step 4: Simplify right side
    180,036.93x = 24,713,829,371.01
  5. Step 5: Solve for x
    x = 24,713,829,371.01/180,036.93
  6. Step 6: Final answer
    x = 137,270.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.