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Finding the Fourth Proportional to 158,588.55, 218,836.89 and 94,924.98

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Solution

The fourth proportional to 158,588.55, 218,836.89 and 94,924.98 is: 130,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,588.55 : 218,836.89 = 94,924.98 : x
  2. Step 2: Convert to fraction form
    158,588.55/218,836.89 = 94,924.98/x
  3. Step 3: Cross multiply
    158,588.55x = 218,836.89 × 94,924.98
  4. Step 4: Simplify right side
    158,588.55x = 20,773,087,406.51
  5. Step 5: Solve for x
    x = 20,773,087,406.51/158,588.55
  6. Step 6: Final answer
    x = 130,987.31

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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.