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Finding the Fourth Proportional to 176,070.73, 242,980.92 and 108,053.67

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Solution

The fourth proportional to 176,070.73, 242,980.92 and 108,053.67 is: 149,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,070.73 : 242,980.92 = 108,053.67 : x
  2. Step 2: Convert to fraction form
    176,070.73/242,980.92 = 108,053.67/x
  3. Step 3: Cross multiply
    176,070.73x = 242,980.92 × 108,053.67
  4. Step 4: Simplify right side
    176,070.73x = 26,254,980,145.98
  5. Step 5: Solve for x
    x = 26,254,980,145.98/176,070.73
  6. Step 6: Final answer
    x = 149,116.10

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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.