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Finding the Fourth Proportional to 112,047, 168,070.56 and 28,941

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Solution

The fourth proportional to 112,047, 168,070.56 and 28,941 is: 43,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,047 : 168,070.56 = 28,941 : x
  2. Step 2: Convert to fraction form
    112,047/168,070.56 = 28,941/x
  3. Step 3: Cross multiply
    112,047x = 168,070.56 × 28,941
  4. Step 4: Simplify right side
    112,047x = 4,864,130,076.96
  5. Step 5: Solve for x
    x = 4,864,130,076.96/112,047
  6. Step 6: Final answer
    x = 43,411.52

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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.