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Finding the Fourth Proportional to 99,101.93, 148,675.59 and 42,951.44

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Solution

The fourth proportional to 99,101.93, 148,675.59 and 42,951.44 is: 64,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.93 : 148,675.59 = 42,951.44 : x
  2. Step 2: Convert to fraction form
    99,101.93/148,675.59 = 42,951.44/x
  3. Step 3: Cross multiply
    99,101.93x = 148,675.59 × 42,951.44
  4. Step 4: Simplify right side
    99,101.93x = 6,385,831,055.04
  5. Step 5: Solve for x
    x = 6,385,831,055.04/99,101.93
  6. Step 6: Final answer
    x = 64,437.00

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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.