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Finding the Fourth Proportional to 153,461.40, 230,155.64 and 58,656.77

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Solution

The fourth proportional to 153,461.40, 230,155.64 and 58,656.77 is: 87,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,461.40 : 230,155.64 = 58,656.77 : x
  2. Step 2: Convert to fraction form
    153,461.40/230,155.64 = 58,656.77/x
  3. Step 3: Cross multiply
    153,461.40x = 230,155.64 × 58,656.77
  4. Step 4: Simplify right side
    153,461.40x = 13,500,186,439.68
  5. Step 5: Solve for x
    x = 13,500,186,439.68/153,461.40
  6. Step 6: Final answer
    x = 87,971.22

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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.