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Finding the Fourth Proportional to 243,154.50, 364,482.33 and 93,354.45

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Solution

The fourth proportional to 243,154.50, 364,482.33 and 93,354.45 is: 139,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,154.50 : 364,482.33 = 93,354.45 : x
  2. Step 2: Convert to fraction form
    243,154.50/364,482.33 = 93,354.45/x
  3. Step 3: Cross multiply
    243,154.50x = 364,482.33 × 93,354.45
  4. Step 4: Simplify right side
    243,154.50x = 34,026,047,451.87
  5. Step 5: Solve for x
    x = 34,026,047,451.87/243,154.50
  6. Step 6: Final answer
    x = 139,935.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.