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Finding the Fourth Proportional to 147,503.16, 221,045.46 and 113,641.08

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Solution

The fourth proportional to 147,503.16, 221,045.46 and 113,641.08 is: 170,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.16 : 221,045.46 = 113,641.08 : x
  2. Step 2: Convert to fraction form
    147,503.16/221,045.46 = 113,641.08/x
  3. Step 3: Cross multiply
    147,503.16x = 221,045.46 × 113,641.08
  4. Step 4: Simplify right side
    147,503.16x = 25,119,844,803.50
  5. Step 5: Solve for x
    x = 25,119,844,803.50/147,503.16
  6. Step 6: Final answer
    x = 170,300.38

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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.