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Finding the Fourth Proportional to 93,638,877.20, 131,184,007.60 and 93,638,877.20

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Solution

The fourth proportional to 93,638,877.20, 131,184,007.60 and 93,638,877.20 is: 131,184,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638,877.20 : 131,184,007.60 = 93,638,877.20 : x
  2. Step 2: Convert to fraction form
    93,638,877.20/131,184,007.60 = 93,638,877.20/x
  3. Step 3: Cross multiply
    93,638,877.20x = 131,184,007.60 × 93,638,877.20
  4. Step 4: Simplify right side
    93,638,877.20x = 12,283,923,178,260,266
  5. Step 5: Solve for x
    x = 12,283,923,178,260,266/93,638,877.20
  6. Step 6: Final answer
    x = 131,184,007.60

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1.5x scale

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.