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Finding the Fourth Proportional to 142,533.62, 213,834.99 and 42,693.62

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Solution

The fourth proportional to 142,533.62, 213,834.99 and 42,693.62 is: 64,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,533.62 : 213,834.99 = 42,693.62 : x
  2. Step 2: Convert to fraction form
    142,533.62/213,834.99 = 42,693.62/x
  3. Step 3: Cross multiply
    142,533.62x = 213,834.99 × 42,693.62
  4. Step 4: Simplify right side
    142,533.62x = 9,129,389,805.76
  5. Step 5: Solve for x
    x = 9,129,389,805.76/142,533.62
  6. Step 6: Final answer
    x = 64,050.78

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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.