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Finding the Fourth Proportional to 253,681.94, 350,083.65 and 153,060.50

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Solution

The fourth proportional to 253,681.94, 350,083.65 and 153,060.50 is: 211,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,681.94 : 350,083.65 = 153,060.50 : x
  2. Step 2: Convert to fraction form
    253,681.94/350,083.65 = 153,060.50/x
  3. Step 3: Cross multiply
    253,681.94x = 350,083.65 × 153,060.50
  4. Step 4: Simplify right side
    253,681.94x = 53,583,978,510.83
  5. Step 5: Solve for x
    x = 53,583,978,510.83/253,681.94
  6. Step 6: Final answer
    x = 211,225.04

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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.