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Finding the Fourth Proportional to 147,627.88, 221,442.90 and 63,316.90

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Solution

The fourth proportional to 147,627.88, 221,442.90 and 63,316.90 is: 94,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,627.88 : 221,442.90 = 63,316.90 : x
  2. Step 2: Convert to fraction form
    147,627.88/221,442.90 = 63,316.90/x
  3. Step 3: Cross multiply
    147,627.88x = 221,442.90 × 63,316.90
  4. Step 4: Simplify right side
    147,627.88x = 14,021,077,955.01
  5. Step 5: Solve for x
    x = 14,021,077,955.01/147,627.88
  6. Step 6: Final answer
    x = 94,975.81

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1.5x scale

Why These Related Problems?

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