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Finding the Fourth Proportional to 114,020.70, 157,347.51 and 63,036.60

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Solution

The fourth proportional to 114,020.70, 157,347.51 and 63,036.60 is: 86,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.70 : 157,347.51 = 63,036.60 : x
  2. Step 2: Convert to fraction form
    114,020.70/157,347.51 = 63,036.60/x
  3. Step 3: Cross multiply
    114,020.70x = 157,347.51 × 63,036.60
  4. Step 4: Simplify right side
    114,020.70x = 9,918,652,048.87
  5. Step 5: Solve for x
    x = 9,918,652,048.87/114,020.70
  6. Step 6: Final answer
    x = 86,989.92

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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.