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Finding the Fourth Proportional to 98,348.55, 147,522.60 and 42,152.22

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Solution

The fourth proportional to 98,348.55, 147,522.60 and 42,152.22 is: 63,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348.55 : 147,522.60 = 42,152.22 : x
  2. Step 2: Convert to fraction form
    98,348.55/147,522.60 = 42,152.22/x
  3. Step 3: Cross multiply
    98,348.55x = 147,522.60 × 42,152.22
  4. Step 4: Simplify right side
    98,348.55x = 6,218,405,090.17
  5. Step 5: Solve for x
    x = 6,218,405,090.17/98,348.55
  6. Step 6: Final answer
    x = 63,228.23

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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.