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Finding the Fourth Proportional to 94,247.40, 130,050.72 and 51,803.40

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Solution

The fourth proportional to 94,247.40, 130,050.72 and 51,803.40 is: 71,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,247.40 : 130,050.72 = 51,803.40 : x
  2. Step 2: Convert to fraction form
    94,247.40/130,050.72 = 51,803.40/x
  3. Step 3: Cross multiply
    94,247.40x = 130,050.72 × 51,803.40
  4. Step 4: Simplify right side
    94,247.40x = 6,737,069,468.45
  5. Step 5: Solve for x
    x = 6,737,069,468.45/94,247.40
  6. Step 6: Final answer
    x = 71,482.82

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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.