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Finding the Fourth Proportional to 145,063.88, 217,464.60 and 51,547.76

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Solution

The fourth proportional to 145,063.88, 217,464.60 and 51,547.76 is: 77,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,063.88 : 217,464.60 = 51,547.76 : x
  2. Step 2: Convert to fraction form
    145,063.88/217,464.60 = 51,547.76/x
  3. Step 3: Cross multiply
    145,063.88x = 217,464.60 × 51,547.76
  4. Step 4: Simplify right side
    145,063.88x = 11,209,813,009.30
  5. Step 5: Solve for x
    x = 11,209,813,009.30/145,063.88
  6. Step 6: Final answer
    x = 77,275.01

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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.