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Finding the Fourth Proportional to 111,437.01, 167,235.32 and 47,440.02

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Solution

The fourth proportional to 111,437.01, 167,235.32 and 47,440.02 is: 71,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,437.01 : 167,235.32 = 47,440.02 : x
  2. Step 2: Convert to fraction form
    111,437.01/167,235.32 = 47,440.02/x
  3. Step 3: Cross multiply
    111,437.01x = 167,235.32 × 47,440.02
  4. Step 4: Simplify right side
    111,437.01x = 7,933,646,925.51
  5. Step 5: Solve for x
    x = 7,933,646,925.51/111,437.01
  6. Step 6: Final answer
    x = 71,194.00

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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.