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Finding the Fourth Proportional to 171,798.93, 237,071.72 and 103,775.67

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Solution

The fourth proportional to 171,798.93, 237,071.72 and 103,775.67 is: 143,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,798.93 : 237,071.72 = 103,775.67 : x
  2. Step 2: Convert to fraction form
    171,798.93/237,071.72 = 103,775.67/x
  3. Step 3: Cross multiply
    171,798.93x = 237,071.72 × 103,775.67
  4. Step 4: Simplify right side
    171,798.93x = 24,602,276,062.17
  5. Step 5: Solve for x
    x = 24,602,276,062.17/171,798.93
  6. Step 6: Final answer
    x = 143,203.90

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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.