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Finding the Fourth Proportional to 152,670.72, 210,613.05 and 101,707.14

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Solution

The fourth proportional to 152,670.72, 210,613.05 and 101,707.14 is: 140,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,670.72 : 210,613.05 = 101,707.14 : x
  2. Step 2: Convert to fraction form
    152,670.72/210,613.05 = 101,707.14/x
  3. Step 3: Cross multiply
    152,670.72x = 210,613.05 × 101,707.14
  4. Step 4: Simplify right side
    152,670.72x = 21,420,850,962.18
  5. Step 5: Solve for x
    x = 21,420,850,962.18/152,670.72
  6. Step 6: Final answer
    x = 140,307.53

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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.