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Finding the Fourth Proportional to 104,744.94, 144,547.92 and 56,998.20

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Solution

The fourth proportional to 104,744.94, 144,547.92 and 56,998.20 is: 78,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,744.94 : 144,547.92 = 56,998.20 : x
  2. Step 2: Convert to fraction form
    104,744.94/144,547.92 = 56,998.20/x
  3. Step 3: Cross multiply
    104,744.94x = 144,547.92 × 56,998.20
  4. Step 4: Simplify right side
    104,744.94x = 8,238,971,253.74
  5. Step 5: Solve for x
    x = 8,238,971,253.74/104,744.94
  6. Step 6: Final answer
    x = 78,657.46

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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.