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Finding the Fourth Proportional to 61,342,678.60, 91,854,585.60 and 48,481,806.40

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Solution

The fourth proportional to 61,342,678.60, 91,854,585.60 and 48,481,806.40 is: 72,596,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,342,678.60 : 91,854,585.60 = 48,481,806.40 : x
  2. Step 2: Convert to fraction form
    61,342,678.60/91,854,585.60 = 48,481,806.40/x
  3. Step 3: Cross multiply
    61,342,678.60x = 91,854,585.60 × 48,481,806.40
  4. Step 4: Simplify right side
    61,342,678.60x = 4,453,276,236,011,427.50
  5. Step 5: Solve for x
    x = 4,453,276,236,011,427.50/61,342,678.60
  6. Step 6: Final answer
    x = 72,596,703.27

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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.