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Finding the Fourth Proportional to 178,055.61, 245,714.93 and 97,482.42

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Solution

The fourth proportional to 178,055.61, 245,714.93 and 97,482.42 is: 134,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,055.61 : 245,714.93 = 97,482.42 : x
  2. Step 2: Convert to fraction form
    178,055.61/245,714.93 = 97,482.42/x
  3. Step 3: Cross multiply
    178,055.61x = 245,714.93 × 97,482.42
  4. Step 4: Simplify right side
    178,055.61x = 23,952,886,006.53
  5. Step 5: Solve for x
    x = 23,952,886,006.53/178,055.61
  6. Step 6: Final answer
    x = 134,524.75

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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.