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Finding the Fourth Proportional to 119,176.68, 178,492.86 and 56,890.92

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Solution

The fourth proportional to 119,176.68, 178,492.86 and 56,890.92 is: 85,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.68 : 178,492.86 = 56,890.92 : x
  2. Step 2: Convert to fraction form
    119,176.68/178,492.86 = 56,890.92/x
  3. Step 3: Cross multiply
    119,176.68x = 178,492.86 × 56,890.92
  4. Step 4: Simplify right side
    119,176.68x = 10,154,623,018.83
  5. Step 5: Solve for x
    x = 10,154,623,018.83/119,176.68
  6. Step 6: Final answer
    x = 85,206.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.