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Finding the Fourth Proportional to 147,894.36, 221,797.74 and 42,714.24

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Solution

The fourth proportional to 147,894.36, 221,797.74 and 42,714.24 is: 64,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,894.36 : 221,797.74 = 42,714.24 : x
  2. Step 2: Convert to fraction form
    147,894.36/221,797.74 = 42,714.24/x
  3. Step 3: Cross multiply
    147,894.36x = 221,797.74 × 42,714.24
  4. Step 4: Simplify right side
    147,894.36x = 9,473,921,897.82
  5. Step 5: Solve for x
    x = 9,473,921,897.82/147,894.36
  6. Step 6: Final answer
    x = 64,058.71

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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.