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Finding the Fourth Proportional to 245,853.56, 368,547.06 and 88,000.76

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Solution

The fourth proportional to 245,853.56, 368,547.06 and 88,000.76 is: 131,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,853.56 : 368,547.06 = 88,000.76 : x
  2. Step 2: Convert to fraction form
    245,853.56/368,547.06 = 88,000.76/x
  3. Step 3: Cross multiply
    245,853.56x = 368,547.06 × 88,000.76
  4. Step 4: Simplify right side
    245,853.56x = 32,432,421,375.77
  5. Step 5: Solve for x
    x = 32,432,421,375.77/245,853.56
  6. Step 6: Final answer
    x = 131,917.64

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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.