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Finding the Fourth Proportional to 162,642.16, 243,938.58 and 44,322.94

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Solution

The fourth proportional to 162,642.16, 243,938.58 and 44,322.94 is: 66,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,642.16 : 243,938.58 = 44,322.94 : x
  2. Step 2: Convert to fraction form
    162,642.16/243,938.58 = 44,322.94/x
  3. Step 3: Cross multiply
    162,642.16x = 243,938.58 × 44,322.94
  4. Step 4: Simplify right side
    162,642.16x = 10,812,075,045.03
  5. Step 5: Solve for x
    x = 10,812,075,045.03/162,642.16
  6. Step 6: Final answer
    x = 66,477.69

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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.