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Finding the Fourth Proportional to 93,613.76, 129,254.64 and 57,852.80

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Solution

The fourth proportional to 93,613.76, 129,254.64 and 57,852.80 is: 79,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.76 : 129,254.64 = 57,852.80 : x
  2. Step 2: Convert to fraction form
    93,613.76/129,254.64 = 57,852.80/x
  3. Step 3: Cross multiply
    93,613.76x = 129,254.64 × 57,852.80
  4. Step 4: Simplify right side
    93,613.76x = 7,477,742,836.99
  5. Step 5: Solve for x
    x = 7,477,742,836.99/93,613.76
  6. Step 6: Final answer
    x = 79,878.67

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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.