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Finding the Fourth Proportional to 171,562.50, 257,343.75 and 46,903.50

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Solution

The fourth proportional to 171,562.50, 257,343.75 and 46,903.50 is: 70,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,562.50 : 257,343.75 = 46,903.50 : x
  2. Step 2: Convert to fraction form
    171,562.50/257,343.75 = 46,903.50/x
  3. Step 3: Cross multiply
    171,562.50x = 257,343.75 × 46,903.50
  4. Step 4: Simplify right side
    171,562.50x = 12,070,322,578.13
  5. Step 5: Solve for x
    x = 12,070,322,578.13/171,562.50
  6. Step 6: Final answer
    x = 70,355.25

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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.