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Finding the Fourth Proportional to 358,610.15, 537,555.80 and 166,619.45

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Solution

The fourth proportional to 358,610.15, 537,555.80 and 166,619.45 is: 249,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,610.15 : 537,555.80 = 166,619.45 : x
  2. Step 2: Convert to fraction form
    358,610.15/537,555.80 = 166,619.45/x
  3. Step 3: Cross multiply
    358,610.15x = 537,555.80 × 166,619.45
  4. Step 4: Simplify right side
    358,610.15x = 89,567,248,219.43
  5. Step 5: Solve for x
    x = 89,567,248,219.43/358,610.15
  6. Step 6: Final answer
    x = 249,762.17

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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.