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Finding the Fourth Proportional to 252,484.16, 348,439.36 and 139,300.16

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Solution

The fourth proportional to 252,484.16, 348,439.36 and 139,300.16 is: 192,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,484.16 : 348,439.36 = 139,300.16 : x
  2. Step 2: Convert to fraction form
    252,484.16/348,439.36 = 139,300.16/x
  3. Step 3: Cross multiply
    252,484.16x = 348,439.36 × 139,300.16
  4. Step 4: Simplify right side
    252,484.16x = 48,537,658,598.30
  5. Step 5: Solve for x
    x = 48,537,658,598.30/252,484.16
  6. Step 6: Final answer
    x = 192,240.41

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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.