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Finding the Fourth Proportional to 127,804.65, 191,699.98 and 39,058.11

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Solution

The fourth proportional to 127,804.65, 191,699.98 and 39,058.11 is: 58,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804.65 : 191,699.98 = 39,058.11 : x
  2. Step 2: Convert to fraction form
    127,804.65/191,699.98 = 39,058.11/x
  3. Step 3: Cross multiply
    127,804.65x = 191,699.98 × 39,058.11
  4. Step 4: Simplify right side
    127,804.65x = 7,487,438,808.19
  5. Step 5: Solve for x
    x = 7,487,438,808.19/127,804.65
  6. Step 6: Final answer
    x = 58,585.03

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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.