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Finding the Fourth Proportional to 104,681.76, 144,457.74 and 59,363.88

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Solution

The fourth proportional to 104,681.76, 144,457.74 and 59,363.88 is: 81,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.76 : 144,457.74 = 59,363.88 : x
  2. Step 2: Convert to fraction form
    104,681.76/144,457.74 = 59,363.88/x
  3. Step 3: Cross multiply
    104,681.76x = 144,457.74 × 59,363.88
  4. Step 4: Simplify right side
    104,681.76x = 8,575,571,942.43
  5. Step 5: Solve for x
    x = 8,575,571,942.43/104,681.76
  6. Step 6: Final answer
    x = 81,920.40

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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.