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Finding the Fourth Proportional to 124,083.84, 171,266.12 and 70,400.28

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Solution

The fourth proportional to 124,083.84, 171,266.12 and 70,400.28 is: 97,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,083.84 : 171,266.12 = 70,400.28 : x
  2. Step 2: Convert to fraction form
    124,083.84/171,266.12 = 70,400.28/x
  3. Step 3: Cross multiply
    124,083.84x = 171,266.12 × 70,400.28
  4. Step 4: Simplify right side
    124,083.84x = 12,057,182,802.51
  5. Step 5: Solve for x
    x = 12,057,182,802.51/124,083.84
  6. Step 6: Final answer
    x = 97,169.65

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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.