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Finding the Fourth Proportional to 67,271,431.20, 94,243,776.60 and 67,271,431.20

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Solution

The fourth proportional to 67,271,431.20, 94,243,776.60 and 67,271,431.20 is: 94,243,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271,431.20 : 94,243,776.60 = 67,271,431.20 : x
  2. Step 2: Convert to fraction form
    67,271,431.20/94,243,776.60 = 67,271,431.20/x
  3. Step 3: Cross multiply
    67,271,431.20x = 94,243,776.60 × 67,271,431.20
  4. Step 4: Simplify right side
    67,271,431.20x = 6,339,913,733,575,070
  5. Step 5: Solve for x
    x = 6,339,913,733,575,070/67,271,431.20
  6. Step 6: Final answer
    x = 94,243,776.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.