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Finding the Fourth Proportional to 100,953.51, 151,429.58 and 48,203.07

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Solution

The fourth proportional to 100,953.51, 151,429.58 and 48,203.07 is: 72,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953.51 : 151,429.58 = 48,203.07 : x
  2. Step 2: Convert to fraction form
    100,953.51/151,429.58 = 48,203.07/x
  3. Step 3: Cross multiply
    100,953.51x = 151,429.58 × 48,203.07
  4. Step 4: Simplify right side
    100,953.51x = 7,299,369,881.12
  5. Step 5: Solve for x
    x = 7,299,369,881.12/100,953.51
  6. Step 6: Final answer
    x = 72,304.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.