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Finding the Fourth Proportional to 358,561.96, 537,717.59 and 105,775.33

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Solution

The fourth proportional to 358,561.96, 537,717.59 and 105,775.33 is: 158,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,561.96 : 537,717.59 = 105,775.33 : x
  2. Step 2: Convert to fraction form
    358,561.96/537,717.59 = 105,775.33/x
  3. Step 3: Cross multiply
    358,561.96x = 537,717.59 × 105,775.33
  4. Step 4: Simplify right side
    358,561.96x = 56,877,255,000.18
  5. Step 5: Solve for x
    x = 56,877,255,000.18/358,561.96
  6. Step 6: Final answer
    x = 158,626.02

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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.