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Finding the Fourth Proportional to 66,745,607.20, 100,118,410.80 and 62,068,926.40

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Solution

The fourth proportional to 66,745,607.20, 100,118,410.80 and 62,068,926.40 is: 93,103,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745,607.20 : 100,118,410.80 = 62,068,926.40 : x
  2. Step 2: Convert to fraction form
    66,745,607.20/100,118,410.80 = 62,068,926.40/x
  3. Step 3: Cross multiply
    66,745,607.20x = 100,118,410.80 × 62,068,926.40
  4. Step 4: Simplify right side
    66,745,607.20x = 6,214,242,271,230,165
  5. Step 5: Solve for x
    x = 6,214,242,271,230,165/66,745,607.20
  6. Step 6: Final answer
    x = 93,103,389.60

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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.