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Finding the Fourth Proportional to 114,008.51, 157,330.96 and 63,707.51

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Solution

The fourth proportional to 114,008.51, 157,330.96 and 63,707.51 is: 87,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,008.51 : 157,330.96 = 63,707.51 : x
  2. Step 2: Convert to fraction form
    114,008.51/157,330.96 = 63,707.51/x
  3. Step 3: Cross multiply
    114,008.51x = 157,330.96 × 63,707.51
  4. Step 4: Simplify right side
    114,008.51x = 10,023,163,941.57
  5. Step 5: Solve for x
    x = 10,023,163,941.57/114,008.51
  6. Step 6: Final answer
    x = 87,915.93

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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.