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Finding the Fourth Proportional to 61,742,906.01, 92,590,817.29 and 20,791,350.14

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Solution

The fourth proportional to 61,742,906.01, 92,590,817.29 and 20,791,350.14 is: 31,179,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742,906.01 : 92,590,817.29 = 20,791,350.14 : x
  2. Step 2: Convert to fraction form
    61,742,906.01/92,590,817.29 = 20,791,350.14/x
  3. Step 3: Cross multiply
    61,742,906.01x = 92,590,817.29 × 20,791,350.14
  4. Step 4: Simplify right side
    61,742,906.01x = 1,925,088,101,510,223.50
  5. Step 5: Solve for x
    x = 1,925,088,101,510,223.50/61,742,906.01
  6. Step 6: Final answer
    x = 31,179,097.74

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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.