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Finding the Fourth Proportional to 140,300.08, 210,482.16 and 40,461.04

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Solution

The fourth proportional to 140,300.08, 210,482.16 and 40,461.04 is: 60,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,300.08 : 210,482.16 = 40,461.04 : x
  2. Step 2: Convert to fraction form
    140,300.08/210,482.16 = 40,461.04/x
  3. Step 3: Cross multiply
    140,300.08x = 210,482.16 × 40,461.04
  4. Step 4: Simplify right side
    140,300.08x = 8,516,327,095.05
  5. Step 5: Solve for x
    x = 8,516,327,095.05/140,300.08
  6. Step 6: Final answer
    x = 60,700.80

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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.