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Finding the Fourth Proportional to 358,376, 537,641.76 and 109,051.52

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Solution

The fourth proportional to 358,376, 537,641.76 and 109,051.52 is: 163,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,376 : 537,641.76 = 109,051.52 : x
  2. Step 2: Convert to fraction form
    358,376/537,641.76 = 109,051.52/x
  3. Step 3: Cross multiply
    358,376x = 537,641.76 × 109,051.52
  4. Step 4: Simplify right side
    358,376x = 58,630,651,143.48
  5. Step 5: Solve for x
    x = 58,630,651,143.48/358,376
  6. Step 6: Final answer
    x = 163,600.94

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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.