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Finding the Fourth Proportional to 68,114.47, 93,947.70 and 46,900.57

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Solution

The fourth proportional to 68,114.47, 93,947.70 and 46,900.57 is: 64,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,114.47 : 93,947.70 = 46,900.57 : x
  2. Step 2: Convert to fraction form
    68,114.47/93,947.70 = 46,900.57/x
  3. Step 3: Cross multiply
    68,114.47x = 93,947.70 × 46,900.57
  4. Step 4: Simplify right side
    68,114.47x = 4,406,200,680.19
  5. Step 5: Solve for x
    x = 4,406,200,680.19/68,114.47
  6. Step 6: Final answer
    x = 64,688.17

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1.5x scale

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.