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Finding the Fourth Proportional to 173,416.91, 260,178.48 and 155,534.54

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Solution

The fourth proportional to 173,416.91, 260,178.48 and 155,534.54 is: 233,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,416.91 : 260,178.48 = 155,534.54 : x
  2. Step 2: Convert to fraction form
    173,416.91/260,178.48 = 155,534.54/x
  3. Step 3: Cross multiply
    173,416.91x = 260,178.48 × 155,534.54
  4. Step 4: Simplify right side
    173,416.91x = 40,466,738,903.81
  5. Step 5: Solve for x
    x = 40,466,738,903.81/173,416.91
  6. Step 6: Final answer
    x = 233,349.45

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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.