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Finding the Fourth Proportional to 179,886.60, 248,237.01 and 99,312.42

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Solution

The fourth proportional to 179,886.60, 248,237.01 and 99,312.42 is: 137,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,886.60 : 248,237.01 = 99,312.42 : x
  2. Step 2: Convert to fraction form
    179,886.60/248,237.01 = 99,312.42/x
  3. Step 3: Cross multiply
    179,886.60x = 248,237.01 × 99,312.42
  4. Step 4: Simplify right side
    179,886.60x = 24,653,018,196.66
  5. Step 5: Solve for x
    x = 24,653,018,196.66/179,886.60
  6. Step 6: Final answer
    x = 137,047.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.