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Finding the Fourth Proportional to 180,055.80, 248,482.02 and 99,488.52

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Solution

The fourth proportional to 180,055.80, 248,482.02 and 99,488.52 is: 137,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,055.80 : 248,482.02 = 99,488.52 : x
  2. Step 2: Convert to fraction form
    180,055.80/248,482.02 = 99,488.52/x
  3. Step 3: Cross multiply
    180,055.80x = 248,482.02 × 99,488.52
  4. Step 4: Simplify right side
    180,055.80x = 24,721,108,416.41
  5. Step 5: Solve for x
    x = 24,721,108,416.41/180,055.80
  6. Step 6: Final answer
    x = 137,296.93

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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.