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Finding the Fourth Proportional to 66,060,985.80, 98,902,521.90 and 66,060,985.80

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Solution

The fourth proportional to 66,060,985.80, 98,902,521.90 and 66,060,985.80 is: 98,902,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060,985.80 : 98,902,521.90 = 66,060,985.80 : x
  2. Step 2: Convert to fraction form
    66,060,985.80/98,902,521.90 = 66,060,985.80/x
  3. Step 3: Cross multiply
    66,060,985.80x = 98,902,521.90 × 66,060,985.80
  4. Step 4: Simplify right side
    66,060,985.80x = 6,533,598,094,820,089
  5. Step 5: Solve for x
    x = 6,533,598,094,820,089/66,060,985.80
  6. Step 6: Final answer
    x = 98,902,521.90

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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.