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Finding the Fourth Proportional to 178,051.93, 245,711.72 and 97,484.57

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Solution

The fourth proportional to 178,051.93, 245,711.72 and 97,484.57 is: 134,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,051.93 : 245,711.72 = 97,484.57 : x
  2. Step 2: Convert to fraction form
    178,051.93/245,711.72 = 97,484.57/x
  3. Step 3: Cross multiply
    178,051.93x = 245,711.72 × 97,484.57
  4. Step 4: Simplify right side
    178,051.93x = 23,953,101,368.16
  5. Step 5: Solve for x
    x = 23,953,101,368.16/178,051.93
  6. Step 6: Final answer
    x = 134,528.74

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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.