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Finding the Fourth Proportional to 159,237.61, 238,897.74 and 46,921.81

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Solution

The fourth proportional to 159,237.61, 238,897.74 and 46,921.81 is: 70,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,237.61 : 238,897.74 = 46,921.81 : x
  2. Step 2: Convert to fraction form
    159,237.61/238,897.74 = 46,921.81/x
  3. Step 3: Cross multiply
    159,237.61x = 238,897.74 × 46,921.81
  4. Step 4: Simplify right side
    159,237.61x = 11,209,514,365.71
  5. Step 5: Solve for x
    x = 11,209,514,365.71/159,237.61
  6. Step 6: Final answer
    x = 70,394.89

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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.