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Finding the Fourth Proportional to 104,557, 144,289.34 and 56,810.34

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Solution

The fourth proportional to 104,557, 144,289.34 and 56,810.34 is: 78,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,557 : 144,289.34 = 56,810.34 : x
  2. Step 2: Convert to fraction form
    104,557/144,289.34 = 56,810.34/x
  3. Step 3: Cross multiply
    104,557x = 144,289.34 × 56,810.34
  4. Step 4: Simplify right side
    104,557x = 8,197,126,463.78
  5. Step 5: Solve for x
    x = 8,197,126,463.78/104,557
  6. Step 6: Final answer
    x = 78,398.64

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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.