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Finding the Fourth Proportional to 145,804.76, 217,908.24 and 106,444.76

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Solution

The fourth proportional to 145,804.76, 217,908.24 and 106,444.76 is: 159,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,804.76 : 217,908.24 = 106,444.76 : x
  2. Step 2: Convert to fraction form
    145,804.76/217,908.24 = 106,444.76/x
  3. Step 3: Cross multiply
    145,804.76x = 217,908.24 × 106,444.76
  4. Step 4: Simplify right side
    145,804.76x = 23,195,190,308.82
  5. Step 5: Solve for x
    x = 23,195,190,308.82/145,804.76
  6. Step 6: Final answer
    x = 159,083.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.