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Finding the Fourth Proportional to 228,366.53, 342,582.62 and 70,607.29

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Solution

The fourth proportional to 228,366.53, 342,582.62 and 70,607.29 is: 105,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,366.53 : 342,582.62 = 70,607.29 : x
  2. Step 2: Convert to fraction form
    228,366.53/342,582.62 = 70,607.29/x
  3. Step 3: Cross multiply
    228,366.53x = 342,582.62 × 70,607.29
  4. Step 4: Simplify right side
    228,366.53x = 24,188,828,333.35
  5. Step 5: Solve for x
    x = 24,188,828,333.35/228,366.53
  6. Step 6: Final answer
    x = 105,921.07

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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.