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Finding the Fourth Proportional to 251,875.02, 347,596.02 and 137,158.08

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Solution

The fourth proportional to 251,875.02, 347,596.02 and 137,158.08 is: 189,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,875.02 : 347,596.02 = 137,158.08 : x
  2. Step 2: Convert to fraction form
    251,875.02/347,596.02 = 137,158.08/x
  3. Step 3: Cross multiply
    251,875.02x = 347,596.02 × 137,158.08
  4. Step 4: Simplify right side
    251,875.02x = 47,675,602,718.84
  5. Step 5: Solve for x
    x = 47,675,602,718.84/251,875.02
  6. Step 6: Final answer
    x = 189,282.77

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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.