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Finding the Fourth Proportional to 358,484.56, 537,541.58 and 105,732.88

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Solution

The fourth proportional to 358,484.56, 537,541.58 and 105,732.88 is: 158,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,484.56 : 537,541.58 = 105,732.88 : x
  2. Step 2: Convert to fraction form
    358,484.56/537,541.58 = 105,732.88/x
  3. Step 3: Cross multiply
    358,484.56x = 537,541.58 × 105,732.88
  4. Step 4: Simplify right side
    358,484.56x = 56,835,818,293.63
  5. Step 5: Solve for x
    x = 56,835,818,293.63/358,484.56
  6. Step 6: Final answer
    x = 158,544.68

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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.