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Finding the Fourth Proportional to 158,526.93, 218,756.25 and 93,992.88

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Solution

The fourth proportional to 158,526.93, 218,756.25 and 93,992.88 is: 129,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526.93 : 218,756.25 = 93,992.88 : x
  2. Step 2: Convert to fraction form
    158,526.93/218,756.25 = 93,992.88/x
  3. Step 3: Cross multiply
    158,526.93x = 218,756.25 × 93,992.88
  4. Step 4: Simplify right side
    158,526.93x = 20,561,529,955.50
  5. Step 5: Solve for x
    x = 20,561,529,955.50/158,526.93
  6. Step 6: Final answer
    x = 129,703.70

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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.