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Finding the Fourth Proportional to 66,430,246.95, 92,787,112.13 and 66,430,246.95

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Solution

The fourth proportional to 66,430,246.95, 92,787,112.13 and 66,430,246.95 is: 92,787,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,246.95 : 92,787,112.13 = 66,430,246.95 : x
  2. Step 2: Convert to fraction form
    66,430,246.95/92,787,112.13 = 66,430,246.95/x
  3. Step 3: Cross multiply
    66,430,246.95x = 92,787,112.13 × 66,430,246.95
  4. Step 4: Simplify right side
    66,430,246.95x = 6,163,870,772,241,090
  5. Step 5: Solve for x
    x = 6,163,870,772,241,090/66,430,246.95
  6. Step 6: Final answer
    x = 92,787,112.13

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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.