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Finding the Fourth Proportional to 58,643,639.60, 87,965,459.40 and 16,093,367.60

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Solution

The fourth proportional to 58,643,639.60, 87,965,459.40 and 16,093,367.60 is: 24,140,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,643,639.60 : 87,965,459.40 = 16,093,367.60 : x
  2. Step 2: Convert to fraction form
    58,643,639.60/87,965,459.40 = 16,093,367.60/x
  3. Step 3: Cross multiply
    58,643,639.60x = 87,965,459.40 × 16,093,367.60
  4. Step 4: Simplify right side
    58,643,639.60x = 1,415,660,474,227,075.50
  5. Step 5: Solve for x
    x = 1,415,660,474,227,075.50/58,643,639.60
  6. Step 6: Final answer
    x = 24,140,051.40

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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.