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Finding the Fourth Proportional to 235,619.71, 353,295.63 and 160,830.38

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Solution

The fourth proportional to 235,619.71, 353,295.63 and 160,830.38 is: 241,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,619.71 : 353,295.63 = 160,830.38 : x
  2. Step 2: Convert to fraction form
    235,619.71/353,295.63 = 160,830.38/x
  3. Step 3: Cross multiply
    235,619.71x = 353,295.63 × 160,830.38
  4. Step 4: Simplify right side
    235,619.71x = 56,820,671,308.48
  5. Step 5: Solve for x
    x = 56,820,671,308.48/235,619.71
  6. Step 6: Final answer
    x = 241,154.15

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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.