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Finding the Fourth Proportional to 93,015.30, 130,454.70 and 93,015.30

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Solution

The fourth proportional to 93,015.30, 130,454.70 and 93,015.30 is: 130,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.30 : 130,454.70 = 93,015.30 : x
  2. Step 2: Convert to fraction form
    93,015.30/130,454.70 = 93,015.30/x
  3. Step 3: Cross multiply
    93,015.30x = 130,454.70 × 93,015.30
  4. Step 4: Simplify right side
    93,015.30x = 12,134,283,056.91
  5. Step 5: Solve for x
    x = 12,134,283,056.91/93,015.30
  6. Step 6: Final answer
    x = 130,454.70

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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.