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Finding the Fourth Proportional to 355,356.59, 532,956.60 and 102,582.18

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Solution

The fourth proportional to 355,356.59, 532,956.60 and 102,582.18 is: 153,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,356.59 : 532,956.60 = 102,582.18 : x
  2. Step 2: Convert to fraction form
    355,356.59/532,956.60 = 102,582.18/x
  3. Step 3: Cross multiply
    355,356.59x = 532,956.60 × 102,582.18
  4. Step 4: Simplify right side
    355,356.59x = 54,671,849,873.39
  5. Step 5: Solve for x
    x = 54,671,849,873.39/355,356.59
  6. Step 6: Final answer
    x = 153,850.67

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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.