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Finding the Fourth Proportional to 341,322.50, 511,938.66 and 101,431.28

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Solution

The fourth proportional to 341,322.50, 511,938.66 and 101,431.28 is: 152,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,322.50 : 511,938.66 = 101,431.28 : x
  2. Step 2: Convert to fraction form
    341,322.50/511,938.66 = 101,431.28/x
  3. Step 3: Cross multiply
    341,322.50x = 511,938.66 × 101,431.28
  4. Step 4: Simplify right side
    341,322.50x = 51,926,593,565.28
  5. Step 5: Solve for x
    x = 51,926,593,565.28/341,322.50
  6. Step 6: Final answer
    x = 152,133.52

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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.