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Finding the Fourth Proportional to 185,913.34, 256,562.03 and 101,030.40

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Solution

The fourth proportional to 185,913.34, 256,562.03 and 101,030.40 is: 139,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,913.34 : 256,562.03 = 101,030.40 : x
  2. Step 2: Convert to fraction form
    185,913.34/256,562.03 = 101,030.40/x
  3. Step 3: Cross multiply
    185,913.34x = 256,562.03 × 101,030.40
  4. Step 4: Simplify right side
    185,913.34x = 25,920,564,768.29
  5. Step 5: Solve for x
    x = 25,920,564,768.29/185,913.34
  6. Step 6: Final answer
    x = 139,422.84

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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.