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Finding the Fourth Proportional to 117,075.46, 175,613.64 and 28,328.83

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Solution

The fourth proportional to 117,075.46, 175,613.64 and 28,328.83 is: 42,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,075.46 : 175,613.64 = 28,328.83 : x
  2. Step 2: Convert to fraction form
    117,075.46/175,613.64 = 28,328.83/x
  3. Step 3: Cross multiply
    117,075.46x = 175,613.64 × 28,328.83
  4. Step 4: Simplify right side
    117,075.46x = 4,974,928,953.24
  5. Step 5: Solve for x
    x = 4,974,928,953.24/117,075.46
  6. Step 6: Final answer
    x = 42,493.35

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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.