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Finding the Fourth Proportional to 173,657.32, 260,417.82 and 61,313.56

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Solution

The fourth proportional to 173,657.32, 260,417.82 and 61,313.56 is: 91,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,657.32 : 260,417.82 = 61,313.56 : x
  2. Step 2: Convert to fraction form
    173,657.32/260,417.82 = 61,313.56/x
  3. Step 3: Cross multiply
    173,657.32x = 260,417.82 × 61,313.56
  4. Step 4: Simplify right side
    173,657.32x = 15,967,143,631.64
  5. Step 5: Solve for x
    x = 15,967,143,631.64/173,657.32
  6. Step 6: Final answer
    x = 91,946.27

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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.