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Finding the Fourth Proportional to 153,602.76, 230,507.88 and 53,763.78

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Solution

The fourth proportional to 153,602.76, 230,507.88 and 53,763.78 is: 80,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,602.76 : 230,507.88 = 53,763.78 : x
  2. Step 2: Convert to fraction form
    153,602.76/230,507.88 = 53,763.78/x
  3. Step 3: Cross multiply
    153,602.76x = 230,507.88 × 53,763.78
  4. Step 4: Simplify right side
    153,602.76x = 12,392,974,948.59
  5. Step 5: Solve for x
    x = 12,392,974,948.59/153,602.76
  6. Step 6: Final answer
    x = 80,681.98

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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.