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Finding the Fourth Proportional to 160,200.90, 240,301.35 and 77,256.90

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Solution

The fourth proportional to 160,200.90, 240,301.35 and 77,256.90 is: 115,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,200.90 : 240,301.35 = 77,256.90 : x
  2. Step 2: Convert to fraction form
    160,200.90/240,301.35 = 77,256.90/x
  3. Step 3: Cross multiply
    160,200.90x = 240,301.35 × 77,256.90
  4. Step 4: Simplify right side
    160,200.90x = 18,564,937,366.82
  5. Step 5: Solve for x
    x = 18,564,937,366.82/160,200.90
  6. Step 6: Final answer
    x = 115,885.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.