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Finding the Fourth Proportional to 66,038,998.60, 92,645,916.80 and 66,038,998.60

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Solution

The fourth proportional to 66,038,998.60, 92,645,916.80 and 66,038,998.60 is: 92,645,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,038,998.60 : 92,645,916.80 = 66,038,998.60 : x
  2. Step 2: Convert to fraction form
    66,038,998.60/92,645,916.80 = 66,038,998.60/x
  3. Step 3: Cross multiply
    66,038,998.60x = 92,645,916.80 × 66,038,998.60
  4. Step 4: Simplify right side
    66,038,998.60x = 6,118,243,569,850,916
  5. Step 5: Solve for x
    x = 6,118,243,569,850,916/66,038,998.60
  6. Step 6: Final answer
    x = 92,645,916.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.