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Finding the Fourth Proportional to 64,515,599.60, 96,781,693.80 and 32,184,028.40

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Solution

The fourth proportional to 64,515,599.60, 96,781,693.80 and 32,184,028.40 is: 48,280,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,599.60 : 96,781,693.80 = 32,184,028.40 : x
  2. Step 2: Convert to fraction form
    64,515,599.60/96,781,693.80 = 32,184,028.40/x
  3. Step 3: Cross multiply
    64,515,599.60x = 96,781,693.80 × 32,184,028.40
  4. Step 4: Simplify right side
    64,515,599.60x = 3,114,824,781,859,303.50
  5. Step 5: Solve for x
    x = 3,114,824,781,859,303.50/64,515,599.60
  6. Step 6: Final answer
    x = 48,280,180.32

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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.