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Finding the Fourth Proportional to 86,900,672.40, 122,001,063.60 and 86,900,672.40

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Solution

The fourth proportional to 86,900,672.40, 122,001,063.60 and 86,900,672.40 is: 122,001,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900,672.40 : 122,001,063.60 = 86,900,672.40 : x
  2. Step 2: Convert to fraction form
    86,900,672.40/122,001,063.60 = 86,900,672.40/x
  3. Step 3: Cross multiply
    86,900,672.40x = 122,001,063.60 × 86,900,672.40
  4. Step 4: Simplify right side
    86,900,672.40x = 10,601,974,460,355,164
  5. Step 5: Solve for x
    x = 10,601,974,460,355,164/86,900,672.40
  6. Step 6: Final answer
    x = 122,001,063.60

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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.