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Finding the Fourth Proportional to 173,656.32, 260,416.32 and 61,312.56

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Solution

The fourth proportional to 173,656.32, 260,416.32 and 61,312.56 is: 91,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,656.32 : 260,416.32 = 61,312.56 : x
  2. Step 2: Convert to fraction form
    173,656.32/260,416.32 = 61,312.56/x
  3. Step 3: Cross multiply
    173,656.32x = 260,416.32 × 61,312.56
  4. Step 4: Simplify right side
    173,656.32x = 15,966,791,244.98
  5. Step 5: Solve for x
    x = 15,966,791,244.98/173,656.32
  6. Step 6: Final answer
    x = 91,944.77

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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.