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Finding the Fourth Proportional to 151,878.40, 228,004.80 and 95,718.40

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Solution

The fourth proportional to 151,878.40, 228,004.80 and 95,718.40 is: 143,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,878.40 : 228,004.80 = 95,718.40 : x
  2. Step 2: Convert to fraction form
    151,878.40/228,004.80 = 95,718.40/x
  3. Step 3: Cross multiply
    151,878.40x = 228,004.80 × 95,718.40
  4. Step 4: Simplify right side
    151,878.40x = 21,824,254,648.32
  5. Step 5: Solve for x
    x = 21,824,254,648.32/151,878.40
  6. Step 6: Final answer
    x = 143,695.58

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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.