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Finding the Fourth Proportional to 114,172.77, 157,554.53 and 63,187.67

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Solution

The fourth proportional to 114,172.77, 157,554.53 and 63,187.67 is: 87,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,172.77 : 157,554.53 = 63,187.67 : x
  2. Step 2: Convert to fraction form
    114,172.77/157,554.53 = 63,187.67/x
  3. Step 3: Cross multiply
    114,172.77x = 157,554.53 × 63,187.67
  4. Step 4: Simplify right side
    114,172.77x = 9,955,502,544.93
  5. Step 5: Solve for x
    x = 9,955,502,544.93/114,172.77
  6. Step 6: Final answer
    x = 87,196.82

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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.