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Finding the Fourth Proportional to 254,226.19, 350,853.93 and 139,527

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Solution

The fourth proportional to 254,226.19, 350,853.93 and 139,527 is: 192,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,226.19 : 350,853.93 = 139,527 : x
  2. Step 2: Convert to fraction form
    254,226.19/350,853.93 = 139,527/x
  3. Step 3: Cross multiply
    254,226.19x = 350,853.93 × 139,527
  4. Step 4: Simplify right side
    254,226.19x = 48,953,596,291.11
  5. Step 5: Solve for x
    x = 48,953,596,291.11/254,226.19
  6. Step 6: Final answer
    x = 192,559.22

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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.