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Finding the Fourth Proportional to 178,155.52, 245,736.48 and 114,573.76

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Solution

The fourth proportional to 178,155.52, 245,736.48 and 114,573.76 is: 158,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,155.52 : 245,736.48 = 114,573.76 : x
  2. Step 2: Convert to fraction form
    178,155.52/245,736.48 = 114,573.76/x
  3. Step 3: Cross multiply
    178,155.52x = 245,736.48 × 114,573.76
  4. Step 4: Simplify right side
    178,155.52x = 28,154,952,482.76
  5. Step 5: Solve for x
    x = 28,154,952,482.76/178,155.52
  6. Step 6: Final answer
    x = 158,035.81

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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.