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Finding the Fourth Proportional to 145,777.10, 218,664.77 and 37,706.47

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Solution

The fourth proportional to 145,777.10, 218,664.77 and 37,706.47 is: 56,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,777.10 : 218,664.77 = 37,706.47 : x
  2. Step 2: Convert to fraction form
    145,777.10/218,664.77 = 37,706.47/x
  3. Step 3: Cross multiply
    145,777.10x = 218,664.77 × 37,706.47
  4. Step 4: Simplify right side
    145,777.10x = 8,245,075,436.05
  5. Step 5: Solve for x
    x = 8,245,075,436.05/145,777.10
  6. Step 6: Final answer
    x = 56,559.47

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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.