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Finding the Fourth Proportional to 255,442.48, 352,510.54 and 148,074.84

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Solution

The fourth proportional to 255,442.48, 352,510.54 and 148,074.84 is: 204,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,442.48 : 352,510.54 = 148,074.84 : x
  2. Step 2: Convert to fraction form
    255,442.48/352,510.54 = 148,074.84/x
  3. Step 3: Cross multiply
    255,442.48x = 352,510.54 × 148,074.84
  4. Step 4: Simplify right side
    255,442.48x = 52,197,941,808.81
  5. Step 5: Solve for x
    x = 52,197,941,808.81/255,442.48
  6. Step 6: Final answer
    x = 204,343.23

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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.