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Finding the Fourth Proportional to 265,108.74, 365,862.90 and 151,931.76

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Solution

The fourth proportional to 265,108.74, 365,862.90 and 151,931.76 is: 209,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,108.74 : 365,862.90 = 151,931.76 : x
  2. Step 2: Convert to fraction form
    265,108.74/365,862.90 = 151,931.76/x
  3. Step 3: Cross multiply
    265,108.74x = 365,862.90 × 151,931.76
  4. Step 4: Simplify right side
    265,108.74x = 55,586,194,315.70
  5. Step 5: Solve for x
    x = 55,586,194,315.70/265,108.74
  6. Step 6: Final answer
    x = 209,673.19

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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.