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Finding the Fourth Proportional to 145,903.88, 218,853.58 and 88,994.48

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Solution

The fourth proportional to 145,903.88, 218,853.58 and 88,994.48 is: 133,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,903.88 : 218,853.58 = 88,994.48 : x
  2. Step 2: Convert to fraction form
    145,903.88/218,853.58 = 88,994.48/x
  3. Step 3: Cross multiply
    145,903.88x = 218,853.58 × 88,994.48
  4. Step 4: Simplify right side
    145,903.88x = 19,476,760,548.24
  5. Step 5: Solve for x
    x = 19,476,760,548.24/145,903.88
  6. Step 6: Final answer
    x = 133,490.35

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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.