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Finding the Fourth Proportional to 93,312,078.70, 130,334,579.30 and 93,312,078.70

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Solution

The fourth proportional to 93,312,078.70, 130,334,579.30 and 93,312,078.70 is: 130,334,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,078.70 : 130,334,579.30 = 93,312,078.70 : x
  2. Step 2: Convert to fraction form
    93,312,078.70/130,334,579.30 = 93,312,078.70/x
  3. Step 3: Cross multiply
    93,312,078.70x = 130,334,579.30 × 93,312,078.70
  4. Step 4: Simplify right side
    93,312,078.70x = 12,161,790,520,972,992
  5. Step 5: Solve for x
    x = 12,161,790,520,972,992/93,312,078.70
  6. Step 6: Final answer
    x = 130,334,579.30

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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.