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Finding the Fourth Proportional to 175,430.52, 242,034.84 and 99,925.56

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Solution

The fourth proportional to 175,430.52, 242,034.84 and 99,925.56 is: 137,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430.52 : 242,034.84 = 99,925.56 : x
  2. Step 2: Convert to fraction form
    175,430.52/242,034.84 = 99,925.56/x
  3. Step 3: Cross multiply
    175,430.52x = 242,034.84 × 99,925.56
  4. Step 4: Simplify right side
    175,430.52x = 24,185,466,926.51
  5. Step 5: Solve for x
    x = 24,185,466,926.51/175,430.52
  6. Step 6: Final answer
    x = 137,863.51

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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.