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Finding the Fourth Proportional to 98,663.58, 137,074.14 and 97,482.60

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Solution

The fourth proportional to 98,663.58, 137,074.14 and 97,482.60 is: 135,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,663.58 : 137,074.14 = 97,482.60 : x
  2. Step 2: Convert to fraction form
    98,663.58/137,074.14 = 97,482.60/x
  3. Step 3: Cross multiply
    98,663.58x = 137,074.14 × 97,482.60
  4. Step 4: Simplify right side
    98,663.58x = 13,362,343,559.96
  5. Step 5: Solve for x
    x = 13,362,343,559.96/98,663.58
  6. Step 6: Final answer
    x = 135,433.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.