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Finding the Fourth Proportional to 122,044.51, 168,407.02 and 70,361.03

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Solution

The fourth proportional to 122,044.51, 168,407.02 and 70,361.03 is: 97,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044.51 : 168,407.02 = 70,361.03 : x
  2. Step 2: Convert to fraction form
    122,044.51/168,407.02 = 70,361.03/x
  3. Step 3: Cross multiply
    122,044.51x = 168,407.02 × 70,361.03
  4. Step 4: Simplify right side
    122,044.51x = 11,849,290,965.41
  5. Step 5: Solve for x
    x = 11,849,290,965.41/122,044.51
  6. Step 6: Final answer
    x = 97,089.92

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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.