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Finding the Fourth Proportional to 117,888.01, 162,685.47 and 64,173.43

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Solution

The fourth proportional to 117,888.01, 162,685.47 and 64,173.43 is: 88,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.01 : 162,685.47 = 64,173.43 : x
  2. Step 2: Convert to fraction form
    117,888.01/162,685.47 = 64,173.43/x
  3. Step 3: Cross multiply
    117,888.01x = 162,685.47 × 64,173.43
  4. Step 4: Simplify right side
    117,888.01x = 10,440,084,621.06
  5. Step 5: Solve for x
    x = 10,440,084,621.06/117,888.01
  6. Step 6: Final answer
    x = 88,559.34

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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.