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Finding the Fourth Proportional to 201,312.40, 301,967.52 and 51,552.40

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Solution

The fourth proportional to 201,312.40, 301,967.52 and 51,552.40 is: 77,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,312.40 : 301,967.52 = 51,552.40 : x
  2. Step 2: Convert to fraction form
    201,312.40/301,967.52 = 51,552.40/x
  3. Step 3: Cross multiply
    201,312.40x = 301,967.52 × 51,552.40
  4. Step 4: Simplify right side
    201,312.40x = 15,567,150,378.05
  5. Step 5: Solve for x
    x = 15,567,150,378.05/201,312.40
  6. Step 6: Final answer
    x = 77,328.32

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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.