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Finding the Fourth Proportional to 180,060.63, 248,482.65 and 99,488.17

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Solution

The fourth proportional to 180,060.63, 248,482.65 and 99,488.17 is: 137,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,060.63 : 248,482.65 = 99,488.17 : x
  2. Step 2: Convert to fraction form
    180,060.63/248,482.65 = 99,488.17/x
  3. Step 3: Cross multiply
    180,060.63x = 248,482.65 × 99,488.17
  4. Step 4: Simplify right side
    180,060.63x = 24,721,084,125.25
  5. Step 5: Solve for x
    x = 24,721,084,125.25/180,060.63
  6. Step 6: Final answer
    x = 137,293.11

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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.