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Finding the Fourth Proportional to 228,113.10, 342,162.51 and 94,990.02

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Solution

The fourth proportional to 228,113.10, 342,162.51 and 94,990.02 is: 142,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,113.10 : 342,162.51 = 94,990.02 : x
  2. Step 2: Convert to fraction form
    228,113.10/342,162.51 = 94,990.02/x
  3. Step 3: Cross multiply
    228,113.10x = 342,162.51 × 94,990.02
  4. Step 4: Simplify right side
    228,113.10x = 32,502,023,668.15
  5. Step 5: Solve for x
    x = 32,502,023,668.15/228,113.10
  6. Step 6: Final answer
    x = 142,482.06

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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.