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Finding the Fourth Proportional to 104,810.50, 144,641.06 and 57,066.45

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Solution

The fourth proportional to 104,810.50, 144,641.06 and 57,066.45 is: 78,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.50 : 144,641.06 = 57,066.45 : x
  2. Step 2: Convert to fraction form
    104,810.50/144,641.06 = 57,066.45/x
  3. Step 3: Cross multiply
    104,810.50x = 144,641.06 × 57,066.45
  4. Step 4: Simplify right side
    104,810.50x = 8,254,151,818.44
  5. Step 5: Solve for x
    x = 8,254,151,818.44/104,810.50
  6. Step 6: Final answer
    x = 78,753.10

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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.