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Finding the Fourth Proportional to 155,642.76, 233,485.74 and 50,427.72

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Solution

The fourth proportional to 155,642.76, 233,485.74 and 50,427.72 is: 75,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,642.76 : 233,485.74 = 50,427.72 : x
  2. Step 2: Convert to fraction form
    155,642.76/233,485.74 = 50,427.72/x
  3. Step 3: Cross multiply
    155,642.76x = 233,485.74 × 50,427.72
  4. Step 4: Simplify right side
    155,642.76x = 11,774,153,520.71
  5. Step 5: Solve for x
    x = 11,774,153,520.71/155,642.76
  6. Step 6: Final answer
    x = 75,648.58

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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.