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Finding the Fourth Proportional to 158,036.46, 218,090.52 and 90,050.46

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Solution

The fourth proportional to 158,036.46, 218,090.52 and 90,050.46 is: 124,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,036.46 : 218,090.52 = 90,050.46 : x
  2. Step 2: Convert to fraction form
    158,036.46/218,090.52 = 90,050.46/x
  3. Step 3: Cross multiply
    158,036.46x = 218,090.52 × 90,050.46
  4. Step 4: Simplify right side
    158,036.46x = 19,639,151,647.64
  5. Step 5: Solve for x
    x = 19,639,151,647.64/158,036.46
  6. Step 6: Final answer
    x = 124,269.75

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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.