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Finding the Fourth Proportional to 341,281.73, 511,703.88 and 141,739.85

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Solution

The fourth proportional to 341,281.73, 511,703.88 and 141,739.85 is: 212,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,281.73 : 511,703.88 = 141,739.85 : x
  2. Step 2: Convert to fraction form
    341,281.73/511,703.88 = 141,739.85/x
  3. Step 3: Cross multiply
    341,281.73x = 511,703.88 × 141,739.85
  4. Step 4: Simplify right side
    341,281.73x = 72,528,828,637.10
  5. Step 5: Solve for x
    x = 72,528,828,637.10/341,281.73
  6. Step 6: Final answer
    x = 212,518.93

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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.