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Finding the Fourth Proportional to 101,547.05, 140,140.10 and 56,230.04

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Solution

The fourth proportional to 101,547.05, 140,140.10 and 56,230.04 is: 77,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,547.05 : 140,140.10 = 56,230.04 : x
  2. Step 2: Convert to fraction form
    101,547.05/140,140.10 = 56,230.04/x
  3. Step 3: Cross multiply
    101,547.05x = 140,140.10 × 56,230.04
  4. Step 4: Simplify right side
    101,547.05x = 7,880,082,446.75
  5. Step 5: Solve for x
    x = 7,880,082,446.75/101,547.05
  6. Step 6: Final answer
    x = 77,600.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.