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Finding the Fourth Proportional to 64,681,609.60, 97,022,414.40 and 60,004,928.80

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Solution

The fourth proportional to 64,681,609.60, 97,022,414.40 and 60,004,928.80 is: 90,007,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681,609.60 : 97,022,414.40 = 60,004,928.80 : x
  2. Step 2: Convert to fraction form
    64,681,609.60/97,022,414.40 = 60,004,928.80/x
  3. Step 3: Cross multiply
    64,681,609.60x = 97,022,414.40 × 60,004,928.80
  4. Step 4: Simplify right side
    64,681,609.60x = 5,821,823,068,076,095
  5. Step 5: Solve for x
    x = 5,821,823,068,076,095/64,681,609.60
  6. Step 6: Final answer
    x = 90,007,393.20

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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.