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Finding the Fourth Proportional to 104,712.64, 144,590.64 and 97,114.72

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Solution

The fourth proportional to 104,712.64, 144,590.64 and 97,114.72 is: 134,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.64 : 144,590.64 = 97,114.72 : x
  2. Step 2: Convert to fraction form
    104,712.64/144,590.64 = 97,114.72/x
  3. Step 3: Cross multiply
    104,712.64x = 144,590.64 × 97,114.72
  4. Step 4: Simplify right side
    104,712.64x = 14,041,879,518.22
  5. Step 5: Solve for x
    x = 14,041,879,518.22/104,712.64
  6. Step 6: Final answer
    x = 134,099.18

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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.