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Finding the Fourth Proportional to 76,875, 106,087.50 and 41,547

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Solution

The fourth proportional to 76,875, 106,087.50 and 41,547 is: 57,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875 : 106,087.50 = 41,547 : x
  2. Step 2: Convert to fraction form
    76,875/106,087.50 = 41,547/x
  3. Step 3: Cross multiply
    76,875x = 106,087.50 × 41,547
  4. Step 4: Simplify right side
    76,875x = 4,407,617,362.50
  5. Step 5: Solve for x
    x = 4,407,617,362.50/76,875
  6. Step 6: Final answer
    x = 57,334.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.