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Finding the Fourth Proportional to 342,585.36, 513,892.08 and 93,267.36

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Solution

The fourth proportional to 342,585.36, 513,892.08 and 93,267.36 is: 139,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,585.36 : 513,892.08 = 93,267.36 : x
  2. Step 2: Convert to fraction form
    342,585.36/513,892.08 = 93,267.36/x
  3. Step 3: Cross multiply
    342,585.36x = 513,892.08 × 93,267.36
  4. Step 4: Simplify right side
    342,585.36x = 47,929,357,626.51
  5. Step 5: Solve for x
    x = 47,929,357,626.51/342,585.36
  6. Step 6: Final answer
    x = 139,904.86

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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.