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Finding the Fourth Proportional to 168,492.92, 232,521.28 and 93,041.40

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Solution

The fourth proportional to 168,492.92, 232,521.28 and 93,041.40 is: 128,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.92 : 232,521.28 = 93,041.40 : x
  2. Step 2: Convert to fraction form
    168,492.92/232,521.28 = 93,041.40/x
  3. Step 3: Cross multiply
    168,492.92x = 232,521.28 × 93,041.40
  4. Step 4: Simplify right side
    168,492.92x = 21,634,105,420.99
  5. Step 5: Solve for x
    x = 21,634,105,420.99/168,492.92
  6. Step 6: Final answer
    x = 128,397.71

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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.