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Finding the Fourth Proportional to 93,015.10, 130,396.10 and 93,015.10

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Solution

The fourth proportional to 93,015.10, 130,396.10 and 93,015.10 is: 130,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.10 : 130,396.10 = 93,015.10 : x
  2. Step 2: Convert to fraction form
    93,015.10/130,396.10 = 93,015.10/x
  3. Step 3: Cross multiply
    93,015.10x = 130,396.10 × 93,015.10
  4. Step 4: Simplify right side
    93,015.10x = 12,128,806,281.11
  5. Step 5: Solve for x
    x = 12,128,806,281.11/93,015.10
  6. Step 6: Final answer
    x = 130,396.10

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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.