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Finding the Fourth Proportional to 272,032.92, 375,376.14 and 151,146.90

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Solution

The fourth proportional to 272,032.92, 375,376.14 and 151,146.90 is: 208,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,032.92 : 375,376.14 = 151,146.90 : x
  2. Step 2: Convert to fraction form
    272,032.92/375,376.14 = 151,146.90/x
  3. Step 3: Cross multiply
    272,032.92x = 375,376.14 × 151,146.90
  4. Step 4: Simplify right side
    272,032.92x = 56,736,939,894.97
  5. Step 5: Solve for x
    x = 56,736,939,894.97/272,032.92
  6. Step 6: Final answer
    x = 208,566.45

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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.