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Finding the Fourth Proportional to 268,886.04, 402,885.30 and 156,250.08

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Solution

The fourth proportional to 268,886.04, 402,885.30 and 156,250.08 is: 234,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,886.04 : 402,885.30 = 156,250.08 : x
  2. Step 2: Convert to fraction form
    268,886.04/402,885.30 = 156,250.08/x
  3. Step 3: Cross multiply
    268,886.04x = 402,885.30 × 156,250.08
  4. Step 4: Simplify right side
    268,886.04x = 62,950,860,355.82
  5. Step 5: Solve for x
    x = 62,950,860,355.82/268,886.04
  6. Step 6: Final answer
    x = 234,117.25

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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.