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Finding the Fourth Proportional to 64,742,535.60, 97,113,803.40 and 16,873,479.60

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Solution

The fourth proportional to 64,742,535.60, 97,113,803.40 and 16,873,479.60 is: 25,310,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742,535.60 : 97,113,803.40 = 16,873,479.60 : x
  2. Step 2: Convert to fraction form
    64,742,535.60/97,113,803.40 = 16,873,479.60/x
  3. Step 3: Cross multiply
    64,742,535.60x = 97,113,803.40 × 16,873,479.60
  4. Step 4: Simplify right side
    64,742,535.60x = 1,638,647,780,548,311
  5. Step 5: Solve for x
    x = 1,638,647,780,548,311/64,742,535.60
  6. Step 6: Final answer
    x = 25,310,219.40

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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.