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Finding the Fourth Proportional to 66,448,245.60, 99,672,368.40 and 65,552,450.40

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Solution

The fourth proportional to 66,448,245.60, 99,672,368.40 and 65,552,450.40 is: 98,328,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448,245.60 : 99,672,368.40 = 65,552,450.40 : x
  2. Step 2: Convert to fraction form
    66,448,245.60/99,672,368.40 = 65,552,450.40/x
  3. Step 3: Cross multiply
    66,448,245.60x = 99,672,368.40 × 65,552,450.40
  4. Step 4: Simplify right side
    66,448,245.60x = 6,533,767,985,791,528
  5. Step 5: Solve for x
    x = 6,533,767,985,791,528/66,448,245.60
  6. Step 6: Final answer
    x = 98,328,675.60

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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.