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Finding the Fourth Proportional to 353,813.64, 530,722.29 and 101,124.02

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Solution

The fourth proportional to 353,813.64, 530,722.29 and 101,124.02 is: 151,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,813.64 : 530,722.29 = 101,124.02 : x
  2. Step 2: Convert to fraction form
    353,813.64/530,722.29 = 101,124.02/x
  3. Step 3: Cross multiply
    353,813.64x = 530,722.29 × 101,124.02
  4. Step 4: Simplify right side
    353,813.64x = 53,668,768,814.79
  5. Step 5: Solve for x
    x = 53,668,768,814.79/353,813.64
  6. Step 6: Final answer
    x = 151,686.55

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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.