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Finding the Fourth Proportional to 118,635.93, 163,728.75 and 70,888.27

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Solution

The fourth proportional to 118,635.93, 163,728.75 and 70,888.27 is: 97,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.93 : 163,728.75 = 70,888.27 : x
  2. Step 2: Convert to fraction form
    118,635.93/163,728.75 = 70,888.27/x
  3. Step 3: Cross multiply
    118,635.93x = 163,728.75 × 70,888.27
  4. Step 4: Simplify right side
    118,635.93x = 11,606,447,836.76
  5. Step 5: Solve for x
    x = 11,606,447,836.76/118,635.93
  6. Step 6: Final answer
    x = 97,832.48

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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.