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Finding the Fourth Proportional to 60,739,666.20, 91,109,499.30 and 60,739,666.20

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Solution

The fourth proportional to 60,739,666.20, 91,109,499.30 and 60,739,666.20 is: 91,109,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739,666.20 : 91,109,499.30 = 60,739,666.20 : x
  2. Step 2: Convert to fraction form
    60,739,666.20/91,109,499.30 = 60,739,666.20/x
  3. Step 3: Cross multiply
    60,739,666.20x = 91,109,499.30 × 60,739,666.20
  4. Step 4: Simplify right side
    60,739,666.20x = 5,533,960,575,131,134
  5. Step 5: Solve for x
    x = 5,533,960,575,131,134/60,739,666.20
  6. Step 6: Final answer
    x = 91,109,499.30

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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.