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Finding the Fourth Proportional to 173,239.07, 259,858.58 and 65,188.74

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Solution

The fourth proportional to 173,239.07, 259,858.58 and 65,188.74 is: 97,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,239.07 : 259,858.58 = 65,188.74 : x
  2. Step 2: Convert to fraction form
    173,239.07/259,858.58 = 65,188.74/x
  3. Step 3: Cross multiply
    173,239.07x = 259,858.58 × 65,188.74
  4. Step 4: Simplify right side
    173,239.07x = 16,939,853,082.45
  5. Step 5: Solve for x
    x = 16,939,853,082.45/173,239.07
  6. Step 6: Final answer
    x = 97,783.10

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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.