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Finding the Fourth Proportional to 235,551.69, 353,141.64 and 117,158.45

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Solution

The fourth proportional to 235,551.69, 353,141.64 and 117,158.45 is: 175,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,551.69 : 353,141.64 = 117,158.45 : x
  2. Step 2: Convert to fraction form
    235,551.69/353,141.64 = 117,158.45/x
  3. Step 3: Cross multiply
    235,551.69x = 353,141.64 × 117,158.45
  4. Step 4: Simplify right side
    235,551.69x = 41,373,525,407.15
  5. Step 5: Solve for x
    x = 41,373,525,407.15/235,551.69
  6. Step 6: Final answer
    x = 175,645.21

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1.5x scale

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.