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Finding the Fourth Proportional to 92,017,408.40, 137,908,889.40 and 48,907,264.40

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Solution

The fourth proportional to 92,017,408.40, 137,908,889.40 and 48,907,264.40 is: 73,298,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,017,408.40 : 137,908,889.40 = 48,907,264.40 : x
  2. Step 2: Convert to fraction form
    92,017,408.40/137,908,889.40 = 48,907,264.40/x
  3. Step 3: Cross multiply
    92,017,408.40x = 137,908,889.40 × 48,907,264.40
  4. Step 4: Simplify right side
    92,017,408.40x = 6,744,746,516,996,157
  5. Step 5: Solve for x
    x = 6,744,746,516,996,157/92,017,408.40
  6. Step 6: Final answer
    x = 73,298,592.45

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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.