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Finding the Fourth Proportional to 93,801.98, 140,667.05 and 46,400.78

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Solution

The fourth proportional to 93,801.98, 140,667.05 and 46,400.78 is: 69,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,801.98 : 140,667.05 = 46,400.78 : x
  2. Step 2: Convert to fraction form
    93,801.98/140,667.05 = 46,400.78/x
  3. Step 3: Cross multiply
    93,801.98x = 140,667.05 × 46,400.78
  4. Step 4: Simplify right side
    93,801.98x = 6,527,061,307.97
  5. Step 5: Solve for x
    x = 6,527,061,307.97/93,801.98
  6. Step 6: Final answer
    x = 69,583.40

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1.5x scale

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.