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Finding the Fourth Proportional to 79,783,437.60, 119,675,156.40 and 79,783,437.60

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Solution

The fourth proportional to 79,783,437.60, 119,675,156.40 and 79,783,437.60 is: 119,675,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783,437.60 : 119,675,156.40 = 79,783,437.60 : x
  2. Step 2: Convert to fraction form
    79,783,437.60/119,675,156.40 = 79,783,437.60/x
  3. Step 3: Cross multiply
    79,783,437.60x = 119,675,156.40 × 79,783,437.60
  4. Step 4: Simplify right side
    79,783,437.60x = 9,548,095,372,909,640
  5. Step 5: Solve for x
    x = 9,548,095,372,909,640/79,783,437.60
  6. Step 6: Final answer
    x = 119,675,156.40

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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.