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Finding the Fourth Proportional to 98,953.53, 136,557.53 and 53,632.97

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Solution

The fourth proportional to 98,953.53, 136,557.53 and 53,632.97 is: 74,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,953.53 : 136,557.53 = 53,632.97 : x
  2. Step 2: Convert to fraction form
    98,953.53/136,557.53 = 53,632.97/x
  3. Step 3: Cross multiply
    98,953.53x = 136,557.53 × 53,632.97
  4. Step 4: Simplify right side
    98,953.53x = 7,323,984,958.81
  5. Step 5: Solve for x
    x = 7,323,984,958.81/98,953.53
  6. Step 6: Final answer
    x = 74,014.39

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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.