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Finding the Fourth Proportional to 99,153.51, 137,101.19 and 97,551.20

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Solution

The fourth proportional to 99,153.51, 137,101.19 and 97,551.20 is: 134,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153.51 : 137,101.19 = 97,551.20 : x
  2. Step 2: Convert to fraction form
    99,153.51/137,101.19 = 97,551.20/x
  3. Step 3: Cross multiply
    99,153.51x = 137,101.19 × 97,551.20
  4. Step 4: Simplify right side
    99,153.51x = 13,374,384,432.67
  5. Step 5: Solve for x
    x = 13,374,384,432.67/99,153.51
  6. Step 6: Final answer
    x = 134,885.64

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1.5x scale

Why These Related Problems?

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