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Finding the Fourth Proportional to 140,363.94, 210,549.76 and 46,866.34

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Solution

The fourth proportional to 140,363.94, 210,549.76 and 46,866.34 is: 70,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.94 : 210,549.76 = 46,866.34 : x
  2. Step 2: Convert to fraction form
    140,363.94/210,549.76 = 46,866.34/x
  3. Step 3: Cross multiply
    140,363.94x = 210,549.76 × 46,866.34
  4. Step 4: Simplify right side
    140,363.94x = 9,867,696,639.08
  5. Step 5: Solve for x
    x = 9,867,696,639.08/140,363.94
  6. Step 6: Final answer
    x = 70,300.80

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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.