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Finding the Fourth Proportional to 151,157.14, 208,597.05 and 84,089.14

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Solution

The fourth proportional to 151,157.14, 208,597.05 and 84,089.14 is: 116,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,157.14 : 208,597.05 = 84,089.14 : x
  2. Step 2: Convert to fraction form
    151,157.14/208,597.05 = 84,089.14/x
  3. Step 3: Cross multiply
    151,157.14x = 208,597.05 × 84,089.14
  4. Step 4: Simplify right side
    151,157.14x = 17,540,746,541.04
  5. Step 5: Solve for x
    x = 17,540,746,541.04/151,157.14
  6. Step 6: Final answer
    x = 116,043.12

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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.