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Finding the Fourth Proportional to 86,805.71, 119,802.93 and 48,567.41

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Solution

The fourth proportional to 86,805.71, 119,802.93 and 48,567.41 is: 67,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805.71 : 119,802.93 = 48,567.41 : x
  2. Step 2: Convert to fraction form
    86,805.71/119,802.93 = 48,567.41/x
  3. Step 3: Cross multiply
    86,805.71x = 119,802.93 × 48,567.41
  4. Step 4: Simplify right side
    86,805.71x = 5,818,518,020.51
  5. Step 5: Solve for x
    x = 5,818,518,020.51/86,805.71
  6. Step 6: Final answer
    x = 67,029.21

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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.