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Finding the Fourth Proportional to 171,800.61, 237,074.14 and 103,777.40

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Solution

The fourth proportional to 171,800.61, 237,074.14 and 103,777.40 is: 143,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,800.61 : 237,074.14 = 103,777.40 : x
  2. Step 2: Convert to fraction form
    171,800.61/237,074.14 = 103,777.40/x
  3. Step 3: Cross multiply
    171,800.61x = 237,074.14 × 103,777.40
  4. Step 4: Simplify right side
    171,800.61x = 24,602,937,856.44
  5. Step 5: Solve for x
    x = 24,602,937,856.44/171,800.61
  6. Step 6: Final answer
    x = 143,206.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.