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Finding the Fourth Proportional to 342,700.80, 514,051.08 and 93,382.80

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Solution

The fourth proportional to 342,700.80, 514,051.08 and 93,382.80 is: 140,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,700.80 : 514,051.08 = 93,382.80 : x
  2. Step 2: Convert to fraction form
    342,700.80/514,051.08 = 93,382.80/x
  3. Step 3: Cross multiply
    342,700.80x = 514,051.08 × 93,382.80
  4. Step 4: Simplify right side
    342,700.80x = 48,003,529,193.42
  5. Step 5: Solve for x
    x = 48,003,529,193.42/342,700.80
  6. Step 6: Final answer
    x = 140,074.17

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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.