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Finding the Fourth Proportional to 158,623, 237,923.37 and 74,401.63

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Solution

The fourth proportional to 158,623, 237,923.37 and 74,401.63 is: 111,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,623 : 237,923.37 = 74,401.63 : x
  2. Step 2: Convert to fraction form
    158,623/237,923.37 = 74,401.63/x
  3. Step 3: Cross multiply
    158,623x = 237,923.37 × 74,401.63
  4. Step 4: Simplify right side
    158,623x = 17,701,886,543.09
  5. Step 5: Solve for x
    x = 17,701,886,543.09/158,623
  6. Step 6: Final answer
    x = 111,597.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.