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Finding the Fourth Proportional to 235,370.10, 353,038.95 and 75,443.70

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Solution

The fourth proportional to 235,370.10, 353,038.95 and 75,443.70 is: 113,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,370.10 : 353,038.95 = 75,443.70 : x
  2. Step 2: Convert to fraction form
    235,370.10/353,038.95 = 75,443.70/x
  3. Step 3: Cross multiply
    235,370.10x = 353,038.95 × 75,443.70
  4. Step 4: Simplify right side
    235,370.10x = 26,634,564,632.12
  5. Step 5: Solve for x
    x = 26,634,564,632.12/235,370.10
  6. Step 6: Final answer
    x = 113,160.36

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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.