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Finding the Fourth Proportional to 178,009.95, 245,920.53 and 116,901.12

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Solution

The fourth proportional to 178,009.95, 245,920.53 and 116,901.12 is: 161,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,009.95 : 245,920.53 = 116,901.12 : x
  2. Step 2: Convert to fraction form
    178,009.95/245,920.53 = 116,901.12/x
  3. Step 3: Cross multiply
    178,009.95x = 245,920.53 × 116,901.12
  4. Step 4: Simplify right side
    178,009.95x = 28,748,385,387.99
  5. Step 5: Solve for x
    x = 28,748,385,387.99/178,009.95
  6. Step 6: Final answer
    x = 161,498.76

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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.