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Finding the Fourth Proportional to 118,119.89, 163,024.14 and 70,400.92

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Solution

The fourth proportional to 118,119.89, 163,024.14 and 70,400.92 is: 97,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119.89 : 163,024.14 = 70,400.92 : x
  2. Step 2: Convert to fraction form
    118,119.89/163,024.14 = 70,400.92/x
  3. Step 3: Cross multiply
    118,119.89x = 163,024.14 × 70,400.92
  4. Step 4: Simplify right side
    118,119.89x = 11,477,049,438.21
  5. Step 5: Solve for x
    x = 11,477,049,438.21/118,119.89
  6. Step 6: Final answer
    x = 97,164.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.