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Finding the Fourth Proportional to 105,158.96, 157,486.97 and 60,650.77

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Solution

The fourth proportional to 105,158.96, 157,486.97 and 60,650.77 is: 90,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,158.96 : 157,486.97 = 60,650.77 : x
  2. Step 2: Convert to fraction form
    105,158.96/157,486.97 = 60,650.77/x
  3. Step 3: Cross multiply
    105,158.96x = 157,486.97 × 60,650.77
  4. Step 4: Simplify right side
    105,158.96x = 9,551,705,889.07
  5. Step 5: Solve for x
    x = 9,551,705,889.07/105,158.96
  6. Step 6: Final answer
    x = 90,831.12

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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.