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Finding the Fourth Proportional to 145,892.04, 201,381.24 and 85,482.24

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Solution

The fourth proportional to 145,892.04, 201,381.24 and 85,482.24 is: 117,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892.04 : 201,381.24 = 85,482.24 : x
  2. Step 2: Convert to fraction form
    145,892.04/201,381.24 = 85,482.24/x
  3. Step 3: Cross multiply
    145,892.04x = 201,381.24 × 85,482.24
  4. Step 4: Simplify right side
    145,892.04x = 17,214,518,573.72
  5. Step 5: Solve for x
    x = 17,214,518,573.72/145,892.04
  6. Step 6: Final answer
    x = 117,994.92

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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.