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Finding the Fourth Proportional to 358,516.04, 537,866.33 and 105,786.32

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Solution

The fourth proportional to 358,516.04, 537,866.33 and 105,786.32 is: 158,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,516.04 : 537,866.33 = 105,786.32 : x
  2. Step 2: Convert to fraction form
    358,516.04/537,866.33 = 105,786.32/x
  3. Step 3: Cross multiply
    358,516.04x = 537,866.33 × 105,786.32
  4. Step 4: Simplify right side
    358,516.04x = 56,898,896,484.34
  5. Step 5: Solve for x
    x = 56,898,896,484.34/358,516.04
  6. Step 6: Final answer
    x = 158,706.70

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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.