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Finding the Fourth Proportional to 66,742,059.30, 100,113,088.95 and 66,742,059.30

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Solution

The fourth proportional to 66,742,059.30, 100,113,088.95 and 66,742,059.30 is: 100,113,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742,059.30 : 100,113,088.95 = 66,742,059.30 : x
  2. Step 2: Convert to fraction form
    66,742,059.30/100,113,088.95 = 66,742,059.30/x
  3. Step 3: Cross multiply
    66,742,059.30x = 100,113,088.95 × 66,742,059.30
  4. Step 4: Simplify right side
    66,742,059.30x = 6,681,753,719,407,075
  5. Step 5: Solve for x
    x = 6,681,753,719,407,075/66,742,059.30
  6. Step 6: Final answer
    x = 100,113,088.95

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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.