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Finding the Fourth Proportional to 93,364,108.80, 139,951,684.80 and 55,005,878.40

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Solution

The fourth proportional to 93,364,108.80, 139,951,684.80 and 55,005,878.40 is: 82,453,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,364,108.80 : 139,951,684.80 = 55,005,878.40 : x
  2. Step 2: Convert to fraction form
    93,364,108.80/139,951,684.80 = 55,005,878.40/x
  3. Step 3: Cross multiply
    93,364,108.80x = 139,951,684.80 × 55,005,878.40
  4. Step 4: Simplify right side
    93,364,108.80x = 7,698,165,355,983,929
  5. Step 5: Solve for x
    x = 7,698,165,355,983,929/93,364,108.80
  6. Step 6: Final answer
    x = 82,453,155.23

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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.