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Finding the Fourth Proportional to 158,904.34, 219,108.28 and 101,468.14

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Solution

The fourth proportional to 158,904.34, 219,108.28 and 101,468.14 is: 139,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,904.34 : 219,108.28 = 101,468.14 : x
  2. Step 2: Convert to fraction form
    158,904.34/219,108.28 = 101,468.14/x
  3. Step 3: Cross multiply
    158,904.34x = 219,108.28 × 101,468.14
  4. Step 4: Simplify right side
    158,904.34x = 22,232,508,027.32
  5. Step 5: Solve for x
    x = 22,232,508,027.32/158,904.34
  6. Step 6: Final answer
    x = 139,911.27

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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.