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Finding the Fourth Proportional to 223,978,968.06, 309,109,375.71 and 123,527,051.10

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Solution

The fourth proportional to 223,978,968.06, 309,109,375.71 and 123,527,051.10 is: 170,477,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,978,968.06 : 309,109,375.71 = 123,527,051.10 : x
  2. Step 2: Convert to fraction form
    223,978,968.06/309,109,375.71 = 123,527,051.10/x
  3. Step 3: Cross multiply
    223,978,968.06x = 309,109,375.71 × 123,527,051.10
  4. Step 4: Simplify right side
    223,978,968.06x = 38,183,369,648,818,264
  5. Step 5: Solve for x
    x = 38,183,369,648,818,264/223,978,968.06
  6. Step 6: Final answer
    x = 170,477,478.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.