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Finding the Fourth Proportional to 160,460.16, 221,438.16 and 88,838.16

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Solution

The fourth proportional to 160,460.16, 221,438.16 and 88,838.16 is: 122,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,460.16 : 221,438.16 = 88,838.16 : x
  2. Step 2: Convert to fraction form
    160,460.16/221,438.16 = 88,838.16/x
  3. Step 3: Cross multiply
    160,460.16x = 221,438.16 × 88,838.16
  4. Step 4: Simplify right side
    160,460.16x = 19,672,158,688.19
  5. Step 5: Solve for x
    x = 19,672,158,688.19/160,460.16
  6. Step 6: Final answer
    x = 122,598.40

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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.