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Finding the Fourth Proportional to 59,801,643.60, 89,702,465.40 and 51,192,299.40

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Solution

The fourth proportional to 59,801,643.60, 89,702,465.40 and 51,192,299.40 is: 76,788,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,801,643.60 : 89,702,465.40 = 51,192,299.40 : x
  2. Step 2: Convert to fraction form
    59,801,643.60/89,702,465.40 = 51,192,299.40/x
  3. Step 3: Cross multiply
    59,801,643.60x = 89,702,465.40 × 51,192,299.40
  4. Step 4: Simplify right side
    59,801,643.60x = 4,592,075,465,674,941
  5. Step 5: Solve for x
    x = 4,592,075,465,674,941/59,801,643.60
  6. Step 6: Final answer
    x = 76,788,449.10

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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.