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Finding the Fourth Proportional to 93,793,603.20, 140,685,739.20 and 48,359,990.40

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Solution

The fourth proportional to 93,793,603.20, 140,685,739.20 and 48,359,990.40 is: 72,537,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,793,603.20 : 140,685,739.20 = 48,359,990.40 : x
  2. Step 2: Convert to fraction form
    93,793,603.20/140,685,739.20 = 48,359,990.40/x
  3. Step 3: Cross multiply
    93,793,603.20x = 140,685,739.20 × 48,359,990.40
  4. Step 4: Simplify right side
    93,793,603.20x = 6,803,560,997,128,903
  5. Step 5: Solve for x
    x = 6,803,560,997,128,903/93,793,603.20
  6. Step 6: Final answer
    x = 72,537,580.02

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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.