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Finding the Fourth Proportional to 267,152.76, 368,670.80 and 147,920.76

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Solution

The fourth proportional to 267,152.76, 368,670.80 and 147,920.76 is: 204,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,152.76 : 368,670.80 = 147,920.76 : x
  2. Step 2: Convert to fraction form
    267,152.76/368,670.80 = 147,920.76/x
  3. Step 3: Cross multiply
    267,152.76x = 368,670.80 × 147,920.76
  4. Step 4: Simplify right side
    267,152.76x = 54,534,064,925.81
  5. Step 5: Solve for x
    x = 54,534,064,925.81/267,152.76
  6. Step 6: Final answer
    x = 204,130.64

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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.