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Finding the Fourth Proportional to 147,712, 221,660.16 and 60,160

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Solution

The fourth proportional to 147,712, 221,660.16 and 60,160 is: 90,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,712 : 221,660.16 = 60,160 : x
  2. Step 2: Convert to fraction form
    147,712/221,660.16 = 60,160/x
  3. Step 3: Cross multiply
    147,712x = 221,660.16 × 60,160
  4. Step 4: Simplify right side
    147,712x = 13,335,075,225.60
  5. Step 5: Solve for x
    x = 13,335,075,225.60/147,712
  6. Step 6: Final answer
    x = 90,277.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.