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Finding the Fourth Proportional to 173,861.64, 260,829.90 and 53,916.16

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Solution

The fourth proportional to 173,861.64, 260,829.90 and 53,916.16 is: 80,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,861.64 : 260,829.90 = 53,916.16 : x
  2. Step 2: Convert to fraction form
    173,861.64/260,829.90 = 53,916.16/x
  3. Step 3: Cross multiply
    173,861.64x = 260,829.90 × 53,916.16
  4. Step 4: Simplify right side
    173,861.64x = 14,062,946,621.18
  5. Step 5: Solve for x
    x = 14,062,946,621.18/173,861.64
  6. Step 6: Final answer
    x = 80,885.85

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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.