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Finding the Fourth Proportional to 178,607.84, 246,477.95 and 98,036.74

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Solution

The fourth proportional to 178,607.84, 246,477.95 and 98,036.74 is: 135,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.84 : 246,477.95 = 98,036.74 : x
  2. Step 2: Convert to fraction form
    178,607.84/246,477.95 = 98,036.74/x
  3. Step 3: Cross multiply
    178,607.84x = 246,477.95 × 98,036.74
  4. Step 4: Simplify right side
    178,607.84x = 24,163,894,050.45
  5. Step 5: Solve for x
    x = 24,163,894,050.45/178,607.84
  6. Step 6: Final answer
    x = 135,290.22

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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.