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Finding the Fourth Proportional to 178,011.52, 245,656.18 and 97,444.15

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Solution

The fourth proportional to 178,011.52, 245,656.18 and 97,444.15 is: 134,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,011.52 : 245,656.18 = 97,444.15 : x
  2. Step 2: Convert to fraction form
    178,011.52/245,656.18 = 97,444.15/x
  3. Step 3: Cross multiply
    178,011.52x = 245,656.18 × 97,444.15
  4. Step 4: Simplify right side
    178,011.52x = 23,937,756,611.89
  5. Step 5: Solve for x
    x = 23,937,756,611.89/178,011.52
  6. Step 6: Final answer
    x = 134,473.07

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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.