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Finding the Fourth Proportional to 158,051.25, 218,114.37 and 97,663.32

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Solution

The fourth proportional to 158,051.25, 218,114.37 and 97,663.32 is: 134,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,051.25 : 218,114.37 = 97,663.32 : x
  2. Step 2: Convert to fraction form
    158,051.25/218,114.37 = 97,663.32/x
  3. Step 3: Cross multiply
    158,051.25x = 218,114.37 × 97,663.32
  4. Step 4: Simplify right side
    158,051.25x = 21,301,773,513.91
  5. Step 5: Solve for x
    x = 21,301,773,513.91/158,051.25
  6. Step 6: Final answer
    x = 134,777.63

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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.